Tsunami warning system
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The document discusses the Indian Ocean tsunami warning system. It describes how when an earthquake occurs near the Indian Ocean, data is sent to tsunami warning centers in Japan and Hawaii who then predict the size and arrival time of potential tsunamis and share this information with countries in Asia. National governments then inform people through various communication methods like radio, TV, SMS and loudspeakers. The warning centers analyze earthquakes by determining time, location and size, then simulating tsunami processes based on seafloor data which takes 15-20 minutes. The system aims to establish earlier tsunami warnings in the region after a deadly 2004 tsunami.
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Tsunami warning system
Tsunami warning systemSelva Priyadharshini
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This document discusses tsunamis and tsunami warning systems. It provides background on the history of notable tsunamis such as those in Lisbon in 1755 and Japan in 1779. It then describes the devastating 2004 Indian Ocean tsunami, noting details like its height of 51 meters. The document outlines the development of tsunami warning systems starting in Hawaii in the 1920s to better detect tsunamis and issue warnings. It provides details on the Indian Ocean Tsunami Warning System established in 2006 to warn nations bordering the Indian Ocean of approaching tsunamis. Both the advantages of reducing loss of life and damage and the shortcomings around costs and maintenance requirements of tsunami warning systems are mentioned.Tsunami warning system
Tsunami warning systemPushkar Dutt
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This paper describes the system components that make up the second-generation Deep-Ocean Assessment and Reporting of Tsunamis system, known as DART II1.
Tsunami data from the DART system can be combined with seismic data ingested into a forecast model to generate accurate tsunami forecasts for coastal areas2.
The motivation for developing a transportable, real-time, deep ocean tsunami measurement system was to forecast the impact of tsunamis on coastal areas in time to save lives and protect property. Over the past 20 years, PMEL has identified the requirements of the tsunami measurement system through evolution in both technology and knowledge of deep ocean tsunami dynamics. The requirement for transportability was a conservative approach to a phenomenon that had little data to guide strategies for choosing deployment sites. The requirement for real time was to provide data in time to create a forecast. The first-generation DART design featured an automatic detection and reporting algorithm triggered by a threshold wave-height value. The DART II design incorporates two-way communications that enables tsunami data transmission on demand, independent of the automatic algorithm; this capability ensures the measurement and reporting of tsunamis with amplitude below the auto-reporting threshold. For more accurate forecast modeling and subsequent, more reliable decision-making, this capability is very important because (a) a very large, destructive tsunami may, in fact, have a very small amplitude at any particular DART station position, and (b) small, deep-ocean tsunami amplitudes can reach destructive values, due to large, localized, shallow-water amplification factors. This latter concern was dramatically affirmed and demonstrated after measurement of a 2cm wave of a tsunami generated in Alaska was amplified to become a 40cm tsunami on the north shore of Oahu, Hawaii.Tsunami warning system
Tsunami warning systemPriya Meena
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The document describes a tsunami warning system, explaining that tsunamis are large ocean waves usually caused by undersea earthquakes, volcanic eruptions, or landslides. The system uses seismometers to detect earthquakes, tide gauges to measure changes in sea level, and NOAA and DART stations that can detect tsunamis, allowing warnings to be issued to protect coastal areas from potential damage from an approaching tsunami.Tsunami warning system
Tsunami warning systems1180052
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This document discusses tsunamis and tsunami warning systems. It explains that tsunamis are caused by large displacements of water, often due to earthquakes, landslides, or volcanic eruptions. It then describes how tsunami warning systems work, including how the Meteorological Agency issues warnings within three minutes of an earthquake with estimates of tsunami arrival times and heights. However, it notes shortcomings in that actual tsunami heights and times may differ from forecasts. It suggests developing more accurate forecasts based on observed data while still issuing warnings that assume maximum tsunami scales.Introducing a presentation
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The document provides tips for giving introductions in formal presentations. It recommends using the WISE OWL method: Welcome the audience, Introduce yourself, Say what you'll talk about, Explain why the topic is useful, Outline the structure, discuss What materials you'll use, and Let the audience know when they can ask questions. It offers sample language for each part of the introduction and emphasizes getting the audience's attention at the start through rhetorical questions, stories, or interesting facts.Sw 6
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The document discusses the development of the Indian Ocean tsunami warning system. It describes how the 2004 Indian Ocean tsunami caused widespread damage and death, prompting India to create a warning system. The system involves sensors detecting earthquakes and tsunamis, with data sent to warning centers in Hawaii and Japan to analyze risks and inform people through methods like radio, TV, and email. While the technology is still developing, community organizations are working to educate people on tsunami preparedness.Sw3 assignment11 3
Sw3 assignment11 3s1180044
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The Indian Ocean Tsunami Warning System was established after the devastating 2004 tsunami. Over the next 5 years, a network of agencies was set up to analyze earthquake data and transmit tsunami warnings. When an earthquake occurs, data is sent to warning centers in Hawaii and Japan for analysis. Warnings are then communicated to countries around the Indian Ocean using radio, TV, SMS, email, mosques, and megaphones to help coordinate evacuations. The system aims to inform people so they can help each other in the event of a tsunami.Sw3 assignment11 3
Sw3 assignment11 3s1180044
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The Indian Ocean Tsunami Warning System was established after the devastating 2004 tsunami. Over the next 5 years, a network of agencies was set up to analyze earthquake data and transmit tsunami warnings. When an earthquake occurs, data is sent to warning centers in Hawaii and Japan for analysis. Warnings are then communicated to local agencies through radio, TV, SMS, email, mosques, and megaphones to coordinate evacuations and help people. The system aims to inform people so they understand tsunami risks and how to evacuate safely.Sw3 assignment11 3
Sw3 assignment11 3s1180044
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The Indian Ocean Tsunami Warning System was established after the devastating 2004 tsunami. Over the next 5 years, a network of agencies was set up to analyze earthquake data and transmit tsunami warnings. When an earthquake occurs, data is sent to warning centers in Hawaii and Japan for analysis. Warnings are then communicated to local agencies through radio, TV, SMS, email, mosques, and megaphones to coordinate evacuations and help people. The system aims to inform people so they understand tsunami risks and how to evacuate safely.Article 3
Article 3ToshikiYamazaki
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The document discusses the mechanism of the Indian Ocean tsunami warning system established after the 2004 tsunami. Data from earthquakes is sent to tsunami warning centers in Hawaii and Japan, who are responsible for receiving information and issuing warnings. Warnings are then sent to 26 participating countries around the Indian Ocean via radio, television, SMS, bells, megaphones and loudspeakers. Countries practice evacuation plans and respond according to these plans when a tsunami occurs. The conclusion emphasizes the importance of international cooperation for the Indian Ocean tsunami warning system to function effectively.Working of tsunami warning system in Indian Ocean
Working of tsunami warning system in Indian Oceangaku-run
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The tsunami warning system in the Indian Ocean works by having the Japan Meteorological Agency send earthquake information to the Pacific Tsunami Warning Center, which then uses this data as well as tide indicators to evaluate the possibility of a tsunami and send warnings to coastal countries. However, prior to 2004 there was no formal warning system, resulting in over 230,000 victims from an Indian Ocean tsunami that year. The document suggests the system in the Indian Ocean could be improved.The tsunami warning_system
The tsunami warning_systemTaisuke Kasai
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The Indian tsunami warning system was created after the devastating 2004 Indian Ocean tsunami. It is coordinated by the UN's International Oceanographic Commission and involves national warning centers and monitoring networks set up by individual countries over five years. The system analyzes data from seismic and sea level sensors to detect potential tsunamis. Warning information is shared between the Pacific Tsunami Warning Center in Hawaii, the Japan Meteorological Agency, and Regional Tsunami Watch Providers in other Indian Ocean countries. The goal is to provide accurate and timely warnings to better protect lives.The tsunami warning_system
The tsunami warning_systemTaisuke Kasai
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The Indian tsunami warning system was created after the devastating 2004 Indian Ocean tsunami. It is coordinated by the UN's International Oceanographic Commission and involves national warning centers and monitoring networks set up by individual countries over five years. The system analyzes data from seismic and sea level sensors to detect potential tsunamis. Warning information is shared between the Pacific Tsunami Warning Center in Hawaii, the Japan Meteorological Agency, and Regional Tsunami Watch Providers in Indian Ocean countries. The goal is to provide accurate and timely warnings to better protect lives.Sw3 s1180190
Sw3 s1180190s1180190
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1) After the deadly 2004 Indian Ocean tsunami, a warning system was established across the Indian Ocean region to detect potential tsunamis and share warnings.
2) When an earthquake occurs, data is sent to warning centers in Hawaii and Japan which analyze the data and issue watches to countries in the Indian Ocean.
3) National agencies are responsible for delivering warnings to their populations through various means like evacuation drills, but the author believes the system and understanding of tsunamis must continue to improve to help all people in earthquake-prone areas.Kadaiweek6
Kadaiweek6s1180121
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The document discusses the development of tsunami early warning systems after the 2004 Indian Ocean tsunami that killed over 230,000 people. It describes how prior to 2004 there was no international warning system and few coastal monitoring systems. Over the next five years organizations were established to disseminate warnings from warning centers in Hawaii and Japan to countries around the Pacific and Indian Oceans. Warnings are now shared across many countries and transmitted to residents using radio, TV, SMS, email and other methods to notify them to seek shelter.Speaking&writting3 slide3
Speaking&writting3 slide3Emma Harris
油
The Pacific Tsunami Warning Center has warned Pacific Ocean countries of killer tsunamis for 40 years. After 2004, governments improved early detection systems. Countries now share data, allowing many to learn of tsunamis sooner. Hawaii and Japan analyze earthquake data to predict tsunami risks and sizes to warn people via radio, TV, SMS and email, helping protect lives.Homework-tsunami warning system
Homework-tsunami warning systems1180198
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The Indian Ocean tsunami warning system detects tsunamis and issues warnings to prevent loss of life and property. The Pacific Tsunami Warning Center and Japan Meteorological Agency are responsible for warnings in the Indian Ocean. Warnings are delivered by radio, TV, SMS, email and sirens. The 2004 Indian Ocean tsunami that killed 230,000 people exposed deficiencies in the early warning system, leading to improvements with more seismic and ocean monitoring stations across the region.Article3
Article3Marina Ohtsuka
油
1) The Indian Ocean tsunami warning system was established after the devastating 2004 tsunami to help detect future tsunamis and warn people.
2) The system works by sending seismic data from the Indian Ocean to warning centers in Hawaii and Japan to analyze if an earthquake could generate a tsunami, and then various methods are used to disseminate warnings to the public.
3) While the technology has not reached all regions yet, efforts by governments and community groups are helping to improve preparedness and save lives.Indian ocean tsunami_warning_system_ 3
Indian ocean tsunami_warning_system_ 3Chika Watanabe
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The document discusses the Indian Ocean Tsunami Warning System. Earthquake data is collected by agencies in Japan and Hawaii and sent to the Pacific Tsunami Warning Center (PTWC). PTWC then sends tsunami vigilance information to countries around the Indian Ocean. The system was improved after the devastating 2004 Indian Ocean tsunami. It now includes Deep-ocean Assessment and Reporting of Tsunamis (DART) stations that can detect tsunamis far from shore and send data to PTWC to help with warnings. Warnings are then disseminated to the public using methods like radio, television, SMS and email.About the tsunami warning system of the indian
About the tsunami warning system of the indianToshikiYamazaki
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The tsunami warning system of the Indian Ocean works by detecting earthquakes automatically and informing 26 countries around the Indian Ocean through the UNESCO. Japan and Hawaii are responsible for receiving earthquake information and announcing warnings through news and telegrams. Individual countries are then responsible for informing their people through methods like email, social media, bells, loudspeakers, radio, and television. The system aims to reduce loss of life from tsunamis by quickly disseminating warnings.About the tsunami warning system of the indian
About the tsunami warning system of the indianToshikiYamazaki
油
The tsunami warning system of the Indian Ocean works by detecting earthquakes through automatic monitoring in Tokyo and Hawaii. If an earthquake is detected, those regions inform 26 countries around the Indian Ocean through news and telegrams. Each country is then responsible for informing its own people of any potential tsunami through methods like email, social media, radio, television and loudspeakers. The system aims to reduce loss of life from tsunamis by quickly disseminating earthquake information to vulnerable areas.Kadai
KadaiEmma Harris
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The Pacific Tsunami Warning Center has warned Pacific Ocean countries about killer tsunamis for over 40 years. After 2004, governments improved early detection systems. When an earthquake occurs, data is sent to the warning center in Hawaii and the Japan Meteorological Agency, who research tsunami arrival times and sizes to predict potential tsunamis. Countries like Australia, India, Indonesia, Malaysia, and Thailand now share data, allowing more timely warnings. Warnings are transmitted via radio, television, SMS, and email to quickly inform large populations. Governments began focusing on tsunami research as they can be caused when the sea recedes or during earthquakes.The Indian tsunami warning system
The Indian tsunami warning systemTaisuke Kasai
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The Indian tsunami warning system was created after the 2004 Indian Ocean tsunami killed over 230,000 people in India. Before 2004, India did not have tools to monitor or warn people about potential tsunamis. In the five years after 2004, India established a network of seismograph centers, national warning centers, and coastal and deep-ocean stations to detect tsunamis and warn coastal communities. The system utilizes data from the Pacific Tsunami Warning Center in Hawaii and the Japan Meteorological Agency to inform agencies that notify people in threatened areas to evacuate.Tsunami warning system
Tsunami warning systems1180109
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The document describes how the tsunami warning system in the Indian Ocean works. It consists of sensors to detect tsunamis, centers to analyze earthquake data (PTWC, JMA), and regional watch providers (RTWPs) that issue warnings. When an earthquake occurs, data is sent to analysis centers, which determine the tsunami risk and send warnings to affected regions via email and news. This system was developed after the devastating 2004 Indian Ocean tsunami, and aims to protect lives by alerting people of impending tsunamis.Tsunami warning system
Tsunami warning systems1180109
油
The document describes how the tsunami warning system in the Indian Ocean works. It consists of sensors to detect tsunamis, centers to analyze earthquake data (PTWC, JMA), and regional watch providers (RTWPs) that issue warnings. When an earthquake occurs, data is sent to analysis centers which determine the tsunami risk and send warnings to RTWPs. These regional groups then disseminate alerts to the public via email and news to help protect lives. The 2004 Indian Ocean tsunami that killed over 200,000 people showed the need for an improved warning system.SW3 7 19_no_3
SW3 7 19_no_3s1180028
油
The Indian Ocean tsunami warning system works as follows:
1) Earthquakes in the Indian Ocean are detected by various data sources which transmit this data to warning centers in Hawaii and Japan to analyze and determine potential for tsunamis.
2) These warning centers predict tsunami arrival times and share this information with regional agencies.
3) These regional agencies then alert local populations through methods like radio, TV, SMS, and loudspeakers. Drills help facilitate quick evacuations.How tsunami warning system is developed
How tsunami warning system is developeds1180119
油
The document discusses how tsunami early warning systems have been developed since the devastating 2004 Indian Ocean tsunami. It describes how, prior to 2004, few monitoring instruments or warning agencies existed in the Indian Ocean. Now, two warning centers in Hawaii and Japan receive earthquake data to assess tsunami potential and alert national agencies, though technology has still not reached all areas vulnerable to tsunamis.How the indian_ocean_tsunami_warning_system_wo
How the indian_ocean_tsunami_warning_system_wos1180135
油
The Indian Ocean Tsunami Early Warning System was established in 2004 after the devastating tsunami killed over 230,000 people. The system utilizes seismic and deep ocean sensors to detect earthquakes and potential tsunamis, with data sent to warning centers in Hawaii and Japan. These centers analyze the data and issue watches and warnings to Regional Tsunami Watch Providers and government agencies in Indian Ocean countries, who are responsible for alerting local communities if needed. The end-to-end warning system aims to detect tsunamis within 15-20 minutes and provide communities time to evacuate threatened areas.Sw3 assignment 3
Sw3 assignment 3s1180044
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The Pacific Ring of Fire is a volcanic belt that surrounds the Pacific Ocean, forming the world's largest orogen. It is known for frequent earthquakes and volcanic eruptions as the oceanic plates subduct under the surrounding continental plates, creating volcanic islands. The Ring of Fire is one of the most geologically active areas in the world.Sw3 assignment 2
Sw3 assignment 2s1180044
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A 7.6 magnitude earthquake struck off the coast of the Kermadec Islands of New Zealand on July 7th at 7:03 pm local time at a depth of 20 km, triggering tsunami warnings for the Kermadec Islands, Tonga, and parts of New Zealand's coastline. Small tsunami waves of 60 cm to 1 meter were detected at Raoul Island, but damage from the earthquake itself was reported to be minimal.More Related Content
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Sw3 assignment11 3
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The Indian Ocean Tsunami Warning System was established after the devastating 2004 tsunami. Over the next 5 years, a network of agencies was set up to analyze earthquake data and transmit tsunami warnings. When an earthquake occurs, data is sent to warning centers in Hawaii and Japan for analysis. Warnings are then communicated to local agencies through radio, TV, SMS, email, mosques, and megaphones to coordinate evacuations and help people. The system aims to inform people so they understand tsunami risks and how to evacuate safely.Article 3
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The document discusses the development of tsunami early warning systems after the 2004 Indian Ocean tsunami that killed over 230,000 people. It describes how prior to 2004 there was no international warning system and few coastal monitoring systems. Over the next five years organizations were established to disseminate warnings from warning centers in Hawaii and Japan to countries around the Pacific and Indian Oceans. Warnings are now shared across many countries and transmitted to residents using radio, TV, SMS, email and other methods to notify them to seek shelter.Speaking&writting3 slide3
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The tsunami warning system of the Indian Ocean works by detecting earthquakes through automatic monitoring in Tokyo and Hawaii. If an earthquake is detected, those regions inform 26 countries around the Indian Ocean through news and telegrams. Each country is then responsible for informing its own people of any potential tsunami through methods like email, social media, radio, television and loudspeakers. The system aims to reduce loss of life from tsunamis by quickly disseminating earthquake information to vulnerable areas.Kadai
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The document describes how the tsunami warning system in the Indian Ocean works. It consists of sensors to detect tsunamis, centers to analyze earthquake data (PTWC, JMA), and regional watch providers (RTWPs) that issue warnings. When an earthquake occurs, data is sent to analysis centers which determine the tsunami risk and send warnings to RTWPs. These regional groups then disseminate alerts to the public via email and news to help protect lives. The 2004 Indian Ocean tsunami that killed over 200,000 people showed the need for an improved warning system.SW3 7 19_no_3
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2) These warning centers predict tsunami arrival times and share this information with regional agencies.
3) These regional agencies then alert local populations through methods like radio, TV, SMS, and loudspeakers. Drills help facilitate quick evacuations.How tsunami warning system is developed
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The document discusses how tsunami early warning systems have been developed since the devastating 2004 Indian Ocean tsunami. It describes how, prior to 2004, few monitoring instruments or warning agencies existed in the Indian Ocean. Now, two warning centers in Hawaii and Japan receive earthquake data to assess tsunami potential and alert national agencies, though technology has still not reached all areas vulnerable to tsunamis.How the indian_ocean_tsunami_warning_system_wo
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Odoo 17 offers a robust inventory management system that can handle complex operations and optimize warehouse efficiency. APM People Interest Network Conference - Tim Lyons - The neurological levels ...
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APM People Interest Network Conference 2025
-Autonomy, Teams and Tension: Projects under stress
-Tim Lyons
-The neurological levels of
team-working: Harmony and tensions
With a background in projects spanning more than 40 years, Tim Lyons specialised in the delivery of large, complex, multi-disciplinary programmes for clients including Crossrail, Network Rail, ExxonMobil, Siemens and in patent development. His first career was in broadcasting, where he designed and built commercial radio station studios in Manchester, Cardiff and Bristol, also working as a presenter and programme producer. Tim now writes and presents extensively on matters relating to the human and neurological aspects of projects, including communication, ethics and coaching. He holds a Masters degree in NLP, is an NLP Master Practitioner and International Coach. He is the Deputy Lead for APMs People Interest Network.
Session | The Neurological Levels of Team-working: Harmony and Tensions
Understanding how teams really work at conscious and unconscious levels is critical to a harmonious workplace. This session uncovers what those levels are, how to use them to detect and avoid tensions and how to smooth the management of change by checking you have considered all of them.A PPT Presentation on The Princess and the God: A tale of ancient India by A...
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A PPT Presentation on The Princess and the God: A tale of ancient India by Aaron ShepardThe Constitution, Government and Law making bodies .
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This PowerPoint presentation provides an insightful overview of the Constitution, covering its key principles, features, and significance. It explains the fundamental rights, duties, structure of government, and the importance of constitutional law in governance. Ideal for students, educators, and anyone interested in understanding the foundation of a nations legal framework.
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The number of languages spoken in NC public schools.
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In this slide, well discuss on how to configure flexible working schedule in Odoo 18 Employee module. In Odoo 18, the Employee module offers powerful tools to configure and manage flexible working schedules tailored to your organization's needs.
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Finals of Kaun TALHA : a Travel, Architecture, Lifestyle, Heritage and Activism quiz, organized by Conquiztadors, the Quiz society of Sri Venkateswara College under their annual quizzing fest El Dorado 2025. Computer Network Unit IV - Lecture Notes - Network Layer
Computer Network Unit IV - Lecture Notes - Network LayerMurugan146644
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Title:
Lecture Notes - Unit IV - The Network Layer
Description:
Welcome to the comprehensive guide on Computer Network concepts, tailored for final year B.Sc. Computer Science students affiliated with Alagappa University. This document covers fundamental principles and advanced topics in Computer Network. PDF content is prepared from the text book Computer Network by Andrew S. Tenanbaum
Key Topics Covered:
Main Topic : The Network Layer
Sub-Topic : Network Layer Design Issues (Store and forward packet switching , service provided to the transport layer, implementation of connection less service, implementation of connection oriented service, Comparision of virtual circuit and datagram subnet), Routing algorithms (Shortest path routing, Flooding , Distance Vector routing algorithm, Link state routing algorithm , hierarchical routing algorithm, broadcast routing, multicast routing algorithm)
Other Link :
1.Introduction to computer network - /slideshow/lecture-notes-introduction-to-computer-network/274183454
2. Physical Layer - /slideshow/lecture-notes-unit-ii-the-physical-layer/274747125
3. Data Link Layer Part 1 : /slideshow/lecture-notes-unit-iii-the-datalink-layer/275288798
Target Audience:
Final year B.Sc. Computer Science students at Alagappa University seeking a solid foundation in Computer Network principles for academic.
About the Author:
Dr. S. Murugan is Associate Professor at Alagappa Government Arts College, Karaikudi. With 23 years of teaching experience in the field of Computer Science, Dr. S. Murugan has a passion for simplifying complex concepts in Computer Network
Disclaimer:
This document is intended for educational purposes only. The content presented here reflects the authors understanding in the field of Computer NetworkEDL 290F Week 3 - Mountaintop Views (2025).pdf
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EDL 290F Week 3 - Mountaintop Views (2025).pdfHow to Configure Restaurants in Odoo 17 Point of Sale
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Odoo, a versatile and integrated business management software, excels with its robust Point of Sale (POS) module. This guide delves into the intricacies of configuring restaurants in Odoo 17 POS, unlocking numerous possibilities for streamlined operations and enhanced customer experiences.
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APM People Interest Network Conference - Tim Lyons - The neurological levels ...
APM People Interest Network Conference - Tim Lyons - The neurological levels ...Association for Project Management
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Kaun TALHA quiz Finals -- El Dorado 2025
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油
Tsunami warning system
- 1. How the油 Indian Ocean Tsunami warning system works 油s1180044 Masatoshi Igarashi
- 2. Index Introduction Background How the system works How to inform How to analyze Conclusion油
- 3. Introduction In 2004, a big tsunami happened in the Indian Ocean. This tsunami killed about 230,000 people. This presentation will say about this tsunami and tsunami warning system in order to establish it in the India. 油
- 4. Background The Pacific Tsunami Warning Center (PTWC) has warned油油 countries facing to the Pacific Ocean to the danger of tsunami for more than 40 years. It was considered that necessity of early tsunami warning system since the tsunami in the India in 2004.
- 5. How the system works油 When the earthquake happened at close the Indian Ocean, its data is sent to The Pacific Tsunami Warning Center (PTWC) in Japan and Hawaii. Their two PTWC have to predict that size of the tsunami and time of arriving the tsunami as soon as possible. And their information is shared each Asian countries.
- 6. How to inform油 Government agency of nation need to inform to people. Warning to people is told by a variety of methods. For example, as a digital method, radio, TV, SMS, email and so on. As an analog method, megaphone, bell, loud voice and so on. 油
- 7. How to analyze First, decision of earthquake time, location and size. Second, Decision of the direction and size in bottom of the sea. Third, The process of the tsunami is simulated based on the bottom of the sea features data. The time of analyzing tsunami takes about 15 to 20 minutes, It depends on the place and state of the earthquake.
- 8. Conclusion I think that we need to share the system and convey information efficiently in order to establish earlier tsunami warning system.