India: Tsunami/tidal waves on the south east coast of the country - Sitrep. 4 - India (2023)

2000 Hrs 27.12.04
Government of India
Ministry of Home Affairs
The Tsunami have caused devastation on the South East Coast of the country as also to other South Asian nations of Sri Lanka , Thailand , Indonesia and Maldives . The worst affected states were Tamil Nadu, Kerala and Andhra Pradesh. The UTs affected were Andaman & Nicobar Islands and Pondicherry . As per reports received so far the total death toll has reached the figure of 4000. The Tsunami phenomenon was experienced for the first time in the country. This was caused because of earthquake on 26.12.2004 at 0629 hrs. which was of high magnitude and intensity of 8.0 (MW) scale off West Coast of Sumatra Islands ( Indonesia ). Subsequently, there was an earthquake off coast of Great Nicobar Islands with magnitude of > 6.5 (MW) at 0952 hrs. IST on 26.12.2004. There has again been an earthquake of 5.6 (MW) intensity in the islands of Andaman region.

The State machinery and the Government of India have mounted continued relief and rescue operations round the clock. The priority is now focused on relief supplies and evacuation in Nicobar Islands and assistance to Maldives and Sri Lanka .

A& N Islands

There has been extensive damage to Nicobar Island . The worst affected areas are Car Nicobar and Great Nicobar islands. Communication link, water supply were disrupted in these areas. Two jetties of Coast Guard and one civil Jetty was damaged and submerged. The Port Blair run away developed cracks and only 5000 ft is usable. However, Airforce and civil flights are through. The Airline and Jet Airways have operated special flights to Port Blair from Chennai and Kolkatta to evacuate the stranded people including tourist.

As per preliminary reports, 77 human lives been lost. The causalities are likely to go up. About 1000 persons are reported to be missing. A total of 48 were earlier evacuated by the Coast Guard.

The A & N Administration have made following request for rescue and relief operations:

(a) Two additional flights one each from Kolkatta and Chennai for evacuation of stranded tourists at Port Blair.

(b) Essential commodities and clothings

(c) Containers for transportation of water(500)

(d) Tents -- 10,000

(e) Portable diesel pump sets of 3/5 HP capacity for draining out the water -10

(f) Portable generator sets -- 200

(g) Mobile satellite phones (50) and torches (1000)

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(h) Augmentation of telecom facilities -- deputing experts from BSNL, Kolkatta along with equipments

(i) Doctors for Car Nicobar

(j) Helicopters to undertake survey and relief work

(k) Ships / Aircrafts for relief effort.

(l) Speed boats / motorized dinghies

(m) Petrol / diesel / aviation fuel

(n) 2 Battalians of CPMFs / IR Bns.

The Ministry of Home Affairs is coordinating the relief efforts and is in constant touch with the UTs Administration and the concerned Ministries / Departments.

The MHA had earlier arranged 470 Qtls. rice, 5 Qtls Atta, 77 Qtls sugar, 1400 blankets and 237 tents (30 MT load), which has been airlifted in the morning of 27th December,2004 from Tambram Air Port. In addition, two AN 32 (8MT)Aircrafts and one IL 76 (20 MT) with full load of relief material consisting blankets, clothes, drinking water and foods packets, have left on 27th December, 2004 for Islands one each from Bhubneshwar, Bhuj, and Ahmedabad. Two specialized Team in Medical First Responder (MFR) -- one CISF have been flown on 27th December 2004 to Car Nicobar and from ITBP is being flown on 28th December, 2004 for assisting the local Administration in rescue and relief operations. 8 Satellite phones also airlifted to Islands on 27th December 2004 .

Ministry of Health has deputed a five-member team consisting of physicians and public health experts, on 27th December 2004 , to A& N Islands for emergency medical relief. The Team is also taking emergency medical stores

Three Naval ships are reaching Car Nicobar on 27th December,2004 . Two Coast Guard Ships with relief material and medical t4eam left for Campbell Bay on 27th December, 2004 and will reach on 28th December, 2004 .

One naval ship and one Coast Guard Ship left for Hut Bay . Two Donier Aircraft dropped food and water at Hut Bay and Camp Bell Bay . Ship each from Kolkatta is planned for movement on 29th December, 2004 .

Andhra Pradesh:

Tremors were felt at Triupati, Nellore , Krishan, Prakasam, Visakhapatnam , Srikakulam and West and East Godavari districts. Significant tidal surge experienced in Krishna , Guntur , Prakasam and Nellore districts. The entire coast measuring 985 Km. was affected by the Tsunamis. The tidal waves penetrated between 500-2 Kms. into the main land and the height of the tidal waves was upto 5 meters. About 300 villages were seriously affected.

(Video) 100 SCARY Tsunami And Wave Moments Caught On Camera

The death toll in the state has gone up to 69. About 800 persons are reported missing along with about 900 boats.

The State Government had taken relief, rescue and evacuation measures. State Government evacuated about 9,000 persons to the safer places and provided food packets. Medical Teams have been deputed to take sanitation measures in the affected villages.

Four Coast Guard Ships deployed off Kakinada , Nellore and Krishna Godavari basin for search and rescue operations Four Indian Navy Ships operating off Tamil Nadu and Andhra Coast for search and rescue operations. State Government has sought assistance of Coast Guards/Navy for search and rescue of missing fishermen. No other assistance is required by the State Government, at this stage.


The Tsunamis also affected 2 districts of Kerala on the south-west coast. The coast length affected was 250 Kms. with penetration of tidal waves between 1-2 Kms. The height of the tidal waves was 3-5 meters which affected about 400 fisherman hamlets/villages.

143 persons have lost their lives. About 300 people were reported to be stranded in a narrow strip of land between the coastal region of the backwater off Oachira in Alappuzha district. The Navy had sent their diving team by road on 26.12.04 and started rescue operations today the 27th December, 2004 . There is no other request from the State Government, at this stage.

One Coast Guard ship is providing assistance and one ship has been put on stand by at Cochin . One coast guard ship is carrying out search and rescue at Quilon.

The State Government has shown concern about their citizens living in Male. Air despatch of 5.5 food packets organized on 27th December, 2004 to Maldives and 2.5 MT planned for 28th December, 2004 .

Tamil Nadu

Tamil Nadu is the worst affected state in the mainland. The Tsunami had caused sudden rise in the water resulting into inundation of many habitation along the coastal areas. Coastal area affected was about 1000 Kms. The penetration of the Tsunamis into the main land was between 200 Mtrs. to 1 Km. with a height of 7-10 meters. About 500 villages fisherman hamlets/villages were affected.

The State Government undertook relief and rescue operations and alerted the people to move to safer places. The death toll in the State has gone upto 3297 . State Government reported occurrence of tremors in Chennai. The water was reported to have entered Kalapakam Atomic Power Plan. 20 people were evacuated by the ICG helicopters.

State Government dropped 1000 food packets at Vivekanand Memorial, Kanyakumari. All the persons (1000) were evacuated from the Memorial.

A three member Team headed by Consultant in Medicine had reached Chennai and is coordinating with 15 member team constituted from CGHS Chennai for providing medical relief.

The State Government had requested for disposal of dead bodies. Army is assisting the local authorities in this work. State Government was advised to deploy Civil Defence Volunteers. 400 personnel from CRPF were also deployed for relief work. State Government had constituted Teams to find out the missing people. Coast Guard have deployed two Chetak helicopters at Chennai for search and rescue.

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Message was received from PS to PM on behalf of the Union Minister for IT and Communication that 500 dead bodies at Velankunni were floating and boats were required for recovery. The bodies have since been retrieved. Relief Commissioner was also requested to make available assistance to Kolachala in Kanyakumari district, as they had not received the relief as conveyed by PS to the Finance Minister. 2000 packets of food had since been distributed there.

No other assistance is required by the State Government, at this stage.


As a result of rise of sea level upto several metres in waves, coastal areas in the Pondicherry and Karaikal region were inundated. 25 Kms. of coast length was affected by Tsunamis with penetration into the main land between 300 mtrs. to 3 Kms. The tidal waves with the height of 10 Mtrs affected 25 villages.

People living in low lying areas were evacuated to safer places and essential commodities including readymade meals provided. In Karaikal, a bridge along with Arasalar river was damaged and the communication on the southern part of Kariakal region is affected. The PWD has launched repair of the bridge.

Police and fire services were pressed into service. 379 deaths have been reported.

A three member high level Central health Team headed by Deputy Director General (Medical) has reached JIPMER Pondicherry was deployed.

Pondicherry Administration is now engaged in disposal of dead bodies. It has been advised to utilize services of Civil Defence Volunteers. Government of Male has been requested to provide 20 MT relief material to Pondicherry as requested by UT admn. There is no other request from Pondicherry Administration , at this stage.


The Relief Commissioner informed that tremors were felt in Cuttack and Bhubneshwar. However, there are no report of any Tsunamis waves. There was no report of loss of human live and damage to property.

West Bengal

The Relief Commissioner informed that some tremors were felt in the coastal areas but there is no report of damage or Tsunamis waves. ICG had deployed a ship in Haldia, West Bengal for relief and rescue operations.

MHA- Coordination

Immediately, after receiving the information, Ministry of Home Affairs is coordinating the rescue and relief efforts and are in constant touch with the Islands and concerned States/UT.

(Video) Watch how the tsunami happens after an earthquake deep in the sea, watch the speed of the waves

The Ministry of Home Affairs had advised the Coastal States to be on constant vigil and requested to take necessary assistance from Army, Navy and Coast Guards take rescue, relief and evacuation operations.

The neighboring States of Orissa, Kerala and Gujarat as also CPMFs were requested for food and essential items and dispatch of these items has been organized by MHA on 27.12.04 for A & N Islands and Maldives . The states of Karnataka, Punjab , Madhya Pradesh, UP, HP, Maharashtra and NCT of Delhi have also been requested to arrange the relief materials. There is very positive response and supplies are starting from 27.12.2004. The supplies to Andaman Nicobar Island is being arranged both air and sea routes.

Cabinet Secretary is reviewing the situation on daily basis. All concerned Ministries/Departments have been instructed to provide necessary logistic support to the affected States and UTs. The Cabinet meeting chaired by the PM also reviewed the situation and gave necessary directions for further mounting relief operations.

Sri Lanka

Four Ships sailed to Colombo (two each Ex Cochin and Chennai) carrying medical stores and relief material. Six MI-17 moved to Colombo on 27th December, 2004 for search and rescue and relief mission.


Air despatch of 5.5 MT food packets was arranged on 27.12.04 and 2.5 MT will be on 28.12.2004. 20 MT relief material from Maharashtra for Maldives via sea route ( Cochin ) is being tied up.

2 AVROS landed at Male with food and water are retained there for further assistance to drop relief material collected locally. Three naval ships carrying medicines, medical teams, water , syntax tanks etc, have moved from Mumbai to Male with two helicopters and relief stores. One ship will reach on 28th December, 2004 followed by 29th and 30th December, 2004

(S.K. Swami)
Director (NDM.I)
Tel: 23092698/Fax 23093750
Mobile : 9811061089

Human lives lost in the wake of Tsunami/ Tide Wave in the Bay of Bengal- 26th December 2004
at 2000 hrs. on 27.12.2004

Name of States/ UT/


Human lives lost


A & N Islands

Car Nicobar


Including 65 Defence personnel

Great Nicobar




Andhra Pradesh



320 boats/ 300 fishermen missing



100 boats



100 boats/ 200 missing



100 boats/60 missing

West Godavari


300 boats/50 missing

East Godavari

200 fishermen missing


2 boats



922 boats/ 810 missing








Other districts




Tamil Nadu


































West Bengal




NR = No casualty reported.

(Video) Tsunami 2004 INDIA


Andhra Pradesh


Tamil Nadu


Coastal Length affected in Km





Penetration of water into main land in Km.





No. of Villages affected





Average height of the tidal wave

5 Mtrs.

3-5 Mtrs.

7-10 Mtrs.

10 Mtrs.


Which state of India is most affected by tsunami? ›

The correct answer is Tamil Nadu. The 26 December 2004 tsunami significantly affected the coastal regions of southern peninsular India. 9.2 moment magnitude.

How many died in 2004 tsunami in India? ›

How high was the 2004 tsunami wave in India? ›

Waves as high as 30 feet (9 metres) struck the eastern coasts of India and Sri Lanka—some 750 miles (1,200 km) away—and traveled more than 1,800 miles (3,000 km) to East Africa. The final death toll was at least 225,000, mostly in Indonesia, Thailand, India, and Sri Lanka.

What caused the 2004 Indian Ocean tsunami? ›

The tsunami from the 2004 M=9.1 Sumatra-Andaman earthquake was primarily caused by vertical displacement of the seafloor, in response to slip on the inter-plate thrust fault (see Tectonics section above).

How many people died in the tsunami in India? ›

However, the tsunami that followed killed more people than any other tsunami in recorded history, with 227,898 dead or missing in 14 countries across the Indian Ocean.

How high is the tsunami in India? ›

The largest tsunamis in India since 1762
DateCauseMax. tidal wave
08/19/1868Eruption in India (Andaman Islands)4 m
06/16/1819Earthquakes in India (Kutch) with a magnitude of 7.7.0 m
04/02/1762Earthquakes in Bangladesh (Northern Bay Of Bengal)1.8 m
5 more rows

Did anyone survive the 2004 Indian Ocean tsunami? ›

26, 2004, when a 9.1 magnitude earthquake off the Indonesian coast sent tidal wave speeding toward Indonesia, Thailand, Malaysia and Sri Lanka. It killed more than 230,000 people, including Wong. But Lang survived. She blacked out not long after the water hit, she said.

Did anyone famous died in the 2004 tsunami? ›

Notable people killed in the 2004 Asian tsunami: Jane Attenborough, 49, British arts administrator, daughter of actor Richard Attenborough. Troy Broadbridge, 24, Australian Football League player (Melbourne). Kristina Fröjmark, 47, Swedish reality TV star.

How many Americans died in the 2004 tsunami? ›

Countries/territories that lost citizens while abroad
Country/TerritoryDeathsPer million inhabitants
United Kingdom1432.40
United States330.17
42 more rows

What was the deadliest tsunami ever recorded? ›

Deadliest Tsunami in History

On December 26, 2004, an extremely powerful earthquake occurred off the coast of the Indonesian island of Sumatra in the Indian Ocean.

Which part of the world is worst affected by tsunami? ›

Tsunami Locations
  • 78% Pacific Ocean (around the geologically active "Ring of Fire")
  • 9% Atlantic Ocean and Caribbean Sea.
  • 6% Mediterranean Sea.
  • 5% Indian Ocean.
  • 1% Other Seas.

Why was there no tsunami warning system in the Indian Ocean? ›

Unlike the Pacific Ocean, which is wired for tsunami alerts by the United Nations Intergovernmental Oceanographic Commission, the Indian Ocean is largely devoid of comparable sensor technologies that detect earthquakes and issue tsunami warnings to affected countries.

How did they recover from the 2004 Indian Ocean tsunami? ›

One of the important programmes was the resettlement programme and infrastructure rehabilitation. During this period, seven tsunami escape buildings were also constructed. Four of the buildings were constructed in Banda Aceh, and one building was developed in each of West Aceh, Aceh Jaya, and Bireuen.

How far inland did the 2004 tsunami go? ›

In Indonesia's Aceh province in Northern Sumatra, waves reached 167 feet (51 meters) and caused flooding up to three miles (five kilometers) inland. Animation of how the tsunami moved around the Indian Ocean.

Could the 2004 tsunami have been prevented? ›

Yet, the devastation caused by the 2004 tsunami (like most other tsunamis) could have been greatly reduced in many of the thirteen countries that were hit, particularly in those countries farther from the earthquake epicentre and subject to less massive tsunamis.

How many kids died in the Indian Ocean tsunami? ›

Unicef officials estimate that of the 30,000 people killed by the tsunamis in Sri Lanka, at least 10,000 were children. At the same time, Sri Lankan officials say the tsunamis created only about 200 orphans. Martin Dawes, a Unicef spokesman, said he believed that the number of children who had died would rise.

Did anyone survive the biggest tsunami? ›

ANCHORAGE, Alaska (KTUU) - Alaska is home to the largest tsunami ever recorded. The 1,720-foot wave hit the tall banks of Lituya Bay in Southeast Alaska in 1958. There were two people who were in the bay who died, and four survived.

What is the deadliest natural disaster in history? ›

Excessive rainfall over central China in July and August of 1931 triggered the most deadly natural disaster in world history — the Central China floods of 1931. The Yangtze River overtopped its banks as spring snowmelt mingled with the over 24 inches (600 millimeters) of rain that fell during the month of July alone.

How high up can you survive a tsunami? ›

Tsunamis can occur any time of year, day or night. To escape a tsunami, go as high and as far as you can – ideally to a spot 100 feet above sea level or 2 miles away.

When was the last time a tsunami hit India? ›

When was the last tsunami on Earth? ›

Comparing the Japan 2011 tsunami and the Tonga 2022 tsunami

By the time it got to California it was much smaller; however, it was still three times larger than what we experienced on January 15, 2022.

How many bodies were not recovered from 2004 tsunami? ›


However, 10 years after the one of the most devastating humanitarian disasters in recorded history, about 400 unclaimed bodies – 369 of them still unidentified – rest in metal coffins, marked with coded numbers.

How many animals died in the 2004 tsunami? ›

A powerful lesson about survival — and more. On December 26, 2004, a tsunami in the Indian Ocean killed about 230,000 people, while virtually no animals died. They fled to higher ground before the water arrived.

How many homes were lost in the Indian Ocean tsunami? ›

Over 570,000 people were displaced and 179,000 buildings and homes destroyed in Indonesia as the wave swallowed large parts of the coastline. Massive reconstruction aid in Banda Aceh has since rebuilt a new city on top of the ruins.

Has anyone ever ridden a tsunami? ›

Felipe Pomar, a big wave surfer from Peru, claims to have surfed a tsunami that struck the coast of Punta Hermosa, Peru, in 1974. He says the wave he rode during the tsunami did have a face, and he was able to turn on it.

How far did the largest tsunami go inland? ›

Its over 1,700-foot wave was the largest ever recorded for a tsunami. It inundated five square miles of land and cleared hundreds of thousands of trees. Remarkably, only two fatalities occurred.

Did the 2004 tsunami hit America? ›

Waves from the devastating December 2004 tsunami were recorded along the Atlantic coast of North America, reports a new study published in Geophysical Research Letters.

Has the US experienced a tsunami? ›

Large tsunamis have occurred in the United States and will undoubtedly occur again. Significant earthquakes around the Pacific rim have generated tsunamis that struck Hawaii, Alaska, and the U.S. west coast.

Has the US ever suffered a catastrophic tsunami? ›

The 1964 tsunami caused damage and loss of life across the Pacific. The Pacific Tsunami Warning Center indicates that the 1964 tsunami was the most disastrous tsunami to hit the U.S. West Coast.

What country suffered the most deaths from the 2004 tsunami? ›

Indonesia suffered the most deaths (167,540), followed by Sri Lanka (35,322), India (16,269), Thailand (8,212), Somalia (289), Maldives (108), Malaysia (75), Myanmar (61) and Tanzania (13).

Can a boat survive a tsunami? ›

Boats are safer from tsunami damage while in the deep ocean ( > 100 m) rather than moored in a harbor. But, do not risk your life and attempt to motor your boat into deep water if it is too close to wave arrival time.

Can you survive a tsunami underwater? ›

If a vessel is hit by a tsunami near shore in shallow water, it will be shattered to pieces. Tsunamis can also be brutal to all sorts of life forms underwater. A diver, for instance, will hardly survive a tsunami because he will be caught by violent spinning currents.

Which country has the most tsunamis? ›

Indonesia – 77 Tsunamis

The country has a total of 77 tsunamis on record. One of the most unforgettable ones was the tsunami triggered by the 2004 earthquake in Sumatra, Indonesia, on December 26. The tsunami was primarily responsible for the death of over 200,000 people, and property losses reached 10 billion dollars.

What state gets the most tsunamis? ›

Hawaii: High to Very High

Hawaii has a long history of damaging tsunamis. Its tsunami record includes events caused by earthquakes both near and far.

How many people died in the Christmas Day tsunami? ›

On December 26 2004, waves triggered by a massive earthquake slammed into the coastlines of countries ringing the Indian Ocean. The death toll was enormous. Worldwide, it is estimated that about 230,000 people died that day.

How do you survive a tsunami? ›

  1. If caused by an earthquake, Drop, Cover, then Hold On to protect yourself from the earthquake first.
  2. Get to high ground as far inland as possible.
  3. Be alert to signs of a tsunami, such as a sudden rise or draining of ocean waters.
  4. Listen to emergency information and alerts. ...
  5. Evacuate: DO NOT wait!
Feb 3, 2022

How were people warned of the 2004 tsunami? ›

There was no advanced tsunami warning system in the Indian Ocean. Nevertheless, PTWC staff did what they could to warn nations of the danger, including working with the U.S. State Department to alert nations in East Africa well in advance of the tsunami's arrival, possible saving thousands of lives.

Why were people not aware of 2004 tsunami? ›

When the Indian Ocean tsunami struck on Dec. 26, 2004, no one saw the massive waves coming. Authorities in Indonesia, where a 9.1 magnitude quake sparked the tsunami, weren't able to send out an alert because the country's sensor system had been hit by lightning.

What are the warning signs of a tsunami? ›

Natural tsunami warnings include strong or long earthquakes, a loud roar (like a train or an airplane) from the ocean, and unusual ocean behavior. The ocean could look like a fast-rising flood or a wall of water. Or, it could drain away suddenly, showing the ocean floor, reefs and fish like a very low, low tide.

How long did it take to clean up after the 2004 tsunami? ›

Within five years, individuals were back in homes they owned, often on their original land, in communities with new schools and in many cases improved infrastructure.

Who helped the people in the 2004 tsunami? ›

UNICEF was on the ground in the affected region at the time of the tsunami disaster and went to work immediately to provide lifesaving humanitarian relief to the survivors. Teams were mobilized in eight countries — Indonesia, Thailand, Myanmar, Malaysia, Sri Lanka, the Maldives, India and Somalia.

Who helped after the Indian Ocean tsunami? ›

In wake of the disaster, Australia, India, Japan and the United States formed a coalition to coordinate aid efforts to streamline immediate assistance. However, at the Jakarta Summit on 6 January 2005, the coalition transferred responsibilities to the United Nations.

How far inland do you need to be to survive a tsunami? ›

If no maps or signs are available, go to an area 100 feet above sea level or two miles inland, away from the coast. If you cannot get this far, go as high as possible. Every foot inland or upwards can make a difference. You may hear that a Tsunami Warning has been issued.

Can a tsunami travel 50 miles inland? ›

When a tsunami comes ashore, areas less than 25 feet above sea level and within a mile of the sea will be in the greatest danger. However, tsunamis can surge up to 10 miles inland.

How long does it take for a tsunami to go back to the ocean? ›

Drawback can be a warning that a tsunami is approaching the shoreline but the problem is that the time between the sea water receding and the full tsunami moving in is usually only seconds or, at best, a few minutes.

Why did so many people died in 2004 tsunami? ›

Why did so many people die on December 26, 2004? Dense coastal populations combined with a lack of tsunami-warning infrastructure came together to produce this horrific result.

Could anything stop a tsunami? ›

Slow Water: Forests, ditches, slopes, or berms can slow down waves and filter out debris. The success of this method depends on correctly estimating the force of the tsunami. 3. Steering: Water can be steered to strategically placed angled walls, ditches and paved roads.

Was the 2004 tsunami the worst ever? ›

Measured in lives lost, this makes it one of the 10 worst earthquakes in recorded history, as well as the single worst tsunami in history. The worst affected countries were India, Indonesia, Malaysia, Maldives, Myanmar, Sri Lanka, Seychelles, Thailand and Somalia.

What states are most affected by tsunamis? ›

Hawaii: High to Very High

Hawaii has a long history of damaging tsunamis. Its tsunami record includes events caused by earthquakes both near and far. Significant tsunamis were produced locally in 1868 and 1975, but the majority of Hawaii's destructive tsunamis were produced by distant subduction zone earthquakes.

What area of India is most susceptible to tsunami hazard? ›

Tsunamigenic zones that threaten the Indian Coast have been identified, and they are the fault region off Sumatra, North Andaman, Car Nicobar in the Bay of Bengal and the Makran fault in the Arabian sea (Fig.

Which regions in India are prone to tsunami? ›

Answer: The government has compiled a list of tsunami-prone regions along India's eastern coast. Puri, Kakinada, Machilipatnam, Nizampatnam-Vetapalem, Chennai, Cuddalore-Pondicherry, Rameshwaram, Thoothukudi, Alappuzha-Chavara, Kochi are just a few of them.

Which area is most affected by a tsunami? ›

The largest number of earthquakes occur around the rim of the Pacific Ocean associated with a series of volcanoes and deep-ocean trenches known as the "Ring of Fire". As a result, the largest source region for tsunamis is in the Pacific Ocean with 71% of all occurrences.

Can the United States get hit by a tsunami? ›

Large tsunamis have occurred in the United States and will undoubtedly occur again. Significant earthquakes around the Pacific rim have generated tsunamis that struck Hawaii, Alaska, and the U.S. west coast.

What area of the United States is at risk for a tsunami? ›

U.S. Tsunami Hazard Levels
LocationRiskEarliest Reported Event
Guam and Northern Mariana IslandsHigh1849
Puerto Rico and the U.S. Virgin IslandsHigh1690
U.S. Atlantic CoastVery Low to Low1886
Alaska Arctic CoastVery LowNone
6 more rows

What was the largest tsunami to hit the United States? ›

ANCHORAGE, Alaska (KTUU) - Alaska is home to the largest tsunami ever recorded. The 1,720-foot wave hit the tall banks of Lituya Bay in Southeast Alaska in 1958. There were two people who were in the bay who died, and four survived.

Is India safe from tsunami? ›

You should know that tsunamis aren't common in India due to several geographical factors that inhibit them. However, India isn't immune to tsunamis. Past records show the tsunami-affected areas in India that suffered a major blow. These tsunamis originated in the Indian Ocean.

Why is India vulnerable to tsunamis? ›

The east and west coasts of India and the island regions are likely to be affected by Tsunamis generated mainly by subduction zone related earthquakes from the two potential source regions, viz., the Andaman-Nicobar-Sumatra Island Arc and the Makran subduction zone north of Arabian Sea.

What is safest place in India from earthquake? ›

The IS code assigns a zone factor of 0.10 for Zone 2. It is the zone with low chances of having earthquakes. Cities like Bangalore, Hyderabad, Coromandel coast and Tiruchirappalli are in this zone.

What season do tsunamis mostly occur? ›

There is no season for tsunamis. A tsunami can happen any time, any season, and during any weather.

How long do tsunamis last? ›

The time between waves ranges from five minutes to two hours. The first wave to reach the shore may not be the largest or the most damaging. It is not possible to predict how long a tsunami will last, how many waves there will be, or how much time there will be between waves.

What does a tsunami look like in real life? ›

They more likely resemble a very rapidly rising tide with the cycle occurring in just 5 to 60 minutes instead of 12 hours with potentially much greater height. Occasionally, tsunamis can form walls of water (known as tsunami bores) but tsunamis normally have the appearance of a fast-rising and fast-receding flood.


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