M 4.5 Earthquake: North Pacific Ocean (Japan) — May 21, 1983

M 4.5 Earthquake: North Pacific Ocean (Japan) — May 21, 1983. Epicenter 864 km S of Hamamatsu, depth 475 km, 14:02 Local (1983-05-21 05:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (864 km S, Japan) — 27.281, 140.345

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