M 4.5 earthquake: North Pacific Ocean (Japan) — April 2, 1979

M 4.5 earthquake: North Pacific Ocean (Japan) — April 2, 1979. Epicenter 838 km S of Hamamatsu, depth 427 km, 12:15 Local (1979-04-02 03:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (838 km S, Japan) — 27.431, 139.978

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