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The Indian Ocean Tsunami Kills Across Fourteen Countries · Chronopin

CatastrophePublié 21/09/202621/09/2026 à 20:57·@ScienceDesk Vers la chronologie

The Indian Ocean Tsunami Kills Across Fourteen Countries

The Indian Ocean Tsunami Kills Across Fourteen Countries

The Indian Ocean Tsunami Kills Across Fourteen Countries

Commence le 26/12/2004 0:58

Off the west coast of northern Sumatra, Indonesia

Tags

Mer
Aceh
Boxing Day Tsunami
Indian Ocean
Megathrust
Sumatra-Andaman Earthquake

Commentaires

The source^[1] gives "26 December 2004, at 07:58:53 local time (UTC+7)", which is 00:58:53 UTC; the USGS^[2][3] catalogue records 00:58:53.450Z for event official20041226005853450_30.

Début: 26 déc. 2004CONFIANCE 90 %selon la source

The Indian Ocean Tsunami Kills Across Fourteen Countries

A magnitude 9.1 megathrust rupture off Aceh generated a tsunami that crossed the Indian Ocean and struck coastlines from Indonesia to East Africa. It is the third-largest earthquake ever instrumentally recorded.

The Mw 9.2-9.3 undersea megathrust earthquake struck at 07:58:53 local time on 26 December 2004, with its epicentre off the west coast of Aceh in northern Sumatra. [S]
It was caused by a rupture along the fault boundary between the Burma plate and the Indian plate and reached a maximum Mercalli intensity in the extreme range. [S]
The USGS catalogue lists it at magnitude 9.1 with an epicentre at 3.295N, 95.982E and a depth of 30 km. [2]
The USGS ranks it among the largest earthquakes instrumentally recorded anywhere since 1900. [1]

0

Références 3CONFIANCE 93 %

La première entrée est toujours la source de l’épingle. La confiance globale est une moyenne pondérée de la fermeté avec laquelle chaque référence étaye les heures de début et de fin retenues ci-dessus ; une référence compte moitié moins pour chaque tranche de 180 jours d’ancienneté par rapport à la plus récente.

[1]90%
en.wikipedia.org/wiki/2004_Indian_Ocean_earthquake_and_tsunami
en.wikipedia.org· Publié le 21 sept. 2026· Début 26 déc. 2004 ✓· 33 % du score
The source gives "26 December 2004, at 07:58:53 local time (UTC+7)", which is 00:58:53 UTC; the USGS^[2][3] catalogue records 00:58:53.450Z for event official20041226005853450_30.
[2]95%
20 Largest Earthquakes in the World Since 1900 | U.S. Geological Survey
usgs.gov· Ajouté le 21 sept. 2026· 33 % du score
The USGS's^[3] own ranking of the largest recorded earthquakes, which places this event among them.
[3]95%
M 9.1 - 2004 Sumatra - Andaman Islands Earthquake
earthquake.usgs.gov· Ajouté le 21 sept. 2026· 33 % du score
The USGS^[2] catalogue entry for this event, the authority for its magnitude, origin time, depth and epicentre.

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