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Friday, 4 April 2025

2011 Tōhoku earthquake and tsunami

Megathrust earthquake off Japan's east coast


2011 Tōhoku earthquake and tsunami
2011 Tōhoku earthquake and tsunami

On 11 March 2011, at 14:46:24 JST, a Mw 9.0–9.1 undersea megathrust earthquake occurred in the Pacific Ocean, 72 km (45 mi) east of the Oshika Peninsula of the Tōhoku region. It lasted approximately six minutes and caused a tsunami. It is sometimes known in Japan as the "Great East Japan Earthquake" , among other names. The disaster is often referred to by its numerical date, 3.11.

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