M 4.8 earthquake: North Pacific Ocean (Japan) — May 30, 1979

M 4.8 earthquake: North Pacific Ocean (Japan) — May 30, 1979. Epicenter 371 km S of Yokohama, depth 51 km, 12:00 Local (1979-05-30 03:00 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (371 km S, Japan) — 32.233, 140.766

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