M 4.7 earthquake: North Pacific Ocean (Japan) — August 25, 1978

M 4.7 earthquake: North Pacific Ocean (Japan) — August 25, 1978. Epicenter 772 km S of Hamamatsu, depth 448 km, 12:00 Local (1978-08-25 03:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (772 km S, Japan) — 28.021, 139.875

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