M 4.9 earthquake: North Pacific Ocean (Japan) — March 7, 1979

M 4.9 earthquake: North Pacific Ocean (Japan) — March 7, 1979. Epicenter 553 km S of Yokohama, depth 33 km, 01:52 Local (1979-03-06 16:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (553 km S, Japan) — 30.773, 141.699

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