M 4.8 earthquake: North Pacific Ocean (Japan) — August 21, 1986

M 4.8 earthquake: North Pacific Ocean (Japan) — August 21, 1986. Epicenter 440 km SE of Shizuoka, depth 98 km, 07:01 Local (1986-08-20 22:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (440 km SE, Japan) — 31.405, 140.39

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