M 6.0 earthquake: North Pacific Ocean (Japan) — March 7, 1978

M 6.0 earthquake: North Pacific Ocean (Japan) — March 7, 1978. Epicenter 307 km S of Hamamatsu, depth 442 km, 11:48 Local (1978-03-07 02:48 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (307 km S, Japan) — 31.962, 137.61

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