M 4.9 earthquake: North Pacific Ocean (Japan) — May 9, 1977

M 4.9 earthquake: North Pacific Ocean (Japan) — May 9, 1977. Epicenter 334 km S of Yokohama, depth 92 km, 05:41 Local (1977-05-08 20:41 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (334 km S, Japan) — 32.603, 140.811

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