M 4.9 earthquake: North Pacific Ocean (Japan) — June 27, 1987

M 4.9 earthquake: North Pacific Ocean (Japan) — June 27, 1987. Epicenter 531 km S of Hamamatsu, depth 435 km, 18:03 Local (1987-06-27 09:03 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (531 km S, Japan) — 30.031, 138.823

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