Magnitude 9.0 - NEAR THE EAST COAST OF HONSHU, JAPAN: "Water fluctuations observed in a well in Newfoundland, Canada. The tsunami had maximum runup heights of 29.6 m at Ofunato, 18.4 m at Onagawa and 9.4 m at Iwaki.
The tsunami also caused some massive slabs of ice to calve from the Sulzberger Ice Shelf, Antarctica.
Tectonic Summary
Versión en Español
The magnitude 9.0 Tohoku earthquake on March 11, 2011, which occurred near the northeast coast of Honshu, Japan, resulted from thrust faulting on or near the subduction zone plate boundary between the Pacific and North America plates. At the latitude of this earthquake, the Pacific plate moves approximately westwards with respect to the North America plate at a rate of 83 mm/yr, and begins its westward descent beneath Japan at the Japan Trench."
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