Earthquake

11時45分頃（JST）に三陸沖を震源としてM7.3 (Mw7.3)の地震が発生した。

9 Mar 2011 · 38.33° N, 143.28° E

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What the records say

When
9 Mar 2011
Kind
Earthquake
Coordinates
38.33° N, 143.28° E
Description
11時45分頃（JST）に三陸沖を震源としてM7.3 (Mw7.3)の地震が発生した。東日本大震災の前震とされる。詳しくは、三陸沖地震 (2011年3月)を参照

Placed at the coordinates of the event it links, 三陸沖地震 (2011年3月).

List of foreshocks and aftershocks of the 2011 Tōhoku earthquake

This is a list of foreshocks and aftershocks of the 2011 Tōhoku earthquake. Japan had experienced 900 aftershocks after the M9.1 earthquake on March 11, 2011 with about 60 aftershocks being over magnitude 6.0 and three over magnitude 7.0. For conciseness, only earthquakes with magnitudes greater than 7.0 or an intensity greater than lower-6 on the shindo scale are listed here.

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