2004 Indian Ocean earthquake and tsunami

E41170

The 2004 Indian Ocean earthquake and tsunami was a massive undersea megathrust earthquake off the coast of Sumatra that triggered devastating tsunamis across the Indian Ocean, killing over 200,000 people and becoming one of the deadliest natural disasters in recorded history.


Statements (62)
Predicate Object
instanceOf megathrust earthquake
natural disaster
tsunami
undersea earthquake
aftershocks numerous large aftershocks along the Sunda Trench
alsoKnownAs Boxing Day tsunami
Sumatra–Andaman earthquake
casualtiesEstimate over 230000 people killed
casualtiesRange about 230000–280000 dead or missing
countryMostAffected India
Indonesia
Sri Lanka
Thailand
date 2004-12-26
deadliestInCountry deadliest natural disaster in Indonesia’s recorded history
depth about 30 km
economicDamage over 10 billion US dollars
epicenterLocation off the west coast of northern Sumatra, Indonesia
faultType megathrust
globalRanking one of the deadliest natural disasters in recorded history
one of the largest earthquakes ever recorded
homelessEstimate about 1.7 million people displaced
injuredEstimate over 1250000 people displaced or left homeless
ledTo creation of the Indian Ocean Tsunami Warning and Mitigation System
major international humanitarian relief operations
revisions of global tsunami early warning protocols
localTimeAtEpicenter about 07:58 local time in Sumatra
magnitude 9.1–9.3 Mw
maximumSlip over 20 meters
maximumTsunamiHeight over 30 meters in some locations
maximumTsunamiHeightLocation Aceh province, Sumatra, Indonesia
momentMagnitude 9.1 Mw
notableConsequence long-term displacement of coastal populations
significant changes to coastal geomorphology in affected areas
widespread coastal destruction across multiple countries
oceanBasin Indian Ocean
plateInvolved Burma Plate
Indian Plate
primaryAffectedProvince Aceh, Indonesia
regionAffected Bangladesh
India
Indian Ocean
Indonesia
Kenya
Malaysia
Maldives
Myanmar
Seychelles
Somalia
Sri Lanka
Tanzania
Thailand
ruptureLength about 1300 km
seismicMoment about 4.0×10^22 N·m
tectonicSetting subduction zone between the Indian Plate and the Burma Plate
timeUTC 00:58:53 UTC
tsunamiCause seafloor displacement due to megathrust fault rupture
tsunamiTravelTimeToEastAfrica about 7 hours
tsunamiTravelTimeToSriLanka about 2 hours
tsunamiType teletsunami
tsunamiWarningSystemsBeforeEvent no comprehensive Indian Ocean tsunami warning system in place
year 2004

Referenced by (12)
Subject (surface form when different) Predicate
2004 Indian Ocean earthquake and tsunami ("Boxing Day tsunami")
2004 Indian Ocean earthquake and tsunami ("Sumatra–Andaman earthquake")
alsoKnownAs
Nicobar Islands
affectedBy
Indo-Australian Plate
causedEvent
Galle International Stadium ("2004 Indian Ocean tsunami")
damagedBy
Sumatra ("2004 Indian Ocean earthquake")
experiencedEvent
Car Nicobar ("2004 Indian Ocean tsunami")
hitBy
The Impossible
mainSubject
Aceh
naturalDisaster
Nagapattinam ("2004 Indian Ocean tsunami")
notableEvent
Galle ("2004 Indian Ocean tsunami")
sufferedEvent
Indian Ocean
wasSiteOfEvent

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