M 5.3 earthquake: North Pacific Ocean (Japan) — December 11, 1980

M 5.3 earthquake: North Pacific Ocean (Japan) — December 11, 1980. Epicenter 949 km S of Hamamatsu, depth 471 km, 10:57 Local (1980-12-11 01:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (949 km S, Japan) — 26.532, 140.526

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