M 4.6 earthquake: North Pacific Ocean (Japan) — May 30, 1979

M 4.6 earthquake: North Pacific Ocean (Japan) — May 30, 1979. Epicenter 842 km S of Hamamatsu, depth 446 km, 05:42 Local (1979-05-29 20:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (842 km S, Japan) — 27.389, 139.975

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