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Earthquake in Japan

Earthquake in Honshu (Japan) - March 11th, 2011

On March 11th, 2011, an earthquake with an estimated magnitude of 8.9 occured off the north-eastern coast of Japan. This earthquake is the most violent earthquake in Japanese history and was followed by many strong aftershocks and a devastating tsunami. Ten-meter high waves hit Sendai.

You can find here the virtual mission report and the documents published during the weeks following the March 11th earthquake and tsunami.

Frequently asked questions

You will find here a list of questions and answers, updated on a regular basis.


Technical information


Written by Pierre-Yves BARD, AFPS vice-president


Preliminary documents

The aim of these documents is to briefly present events linked to the earthquake which occured on March 11th, 2011 in the Honshu region, in Japan. These documents are only preliminary, and will be updated in the next few days. If you wish to add more technical information to these documents, please contact Sandrine Juster-Lermitte (CST President) or Jean-Louis Chazelas (CST vice-president) via the following email address: afps@enpc.fr