M 4.9 earthquake: North Pacific Ocean (Japan) — June 27, 1983

M 4.9 earthquake: North Pacific Ocean (Japan) — June 27, 1983. Epicenter 675 km S of Hamamatsu, depth 254 km, 02:45 Local (1983-06-26 17:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (675 km S, Japan) — 28.941, 139.933

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