M 4.7 earthquake: North Pacific Ocean (Japan) — August 17, 1980

M 4.7 earthquake: North Pacific Ocean (Japan) — August 17, 1980. Epicenter 535 km S of Hamamatsu, depth 498 km, 03:41 Local (1980-08-16 18:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (535 km S, Japan) — 29.916, 138.04

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