M 4.9 earthquake: North Pacific Ocean (Japan) — August 31, 1989

M 4.9 earthquake: North Pacific Ocean (Japan) — August 31, 1989. Epicenter 492 km SE of Shizuoka, depth 120 km, 05:40 Local (1989-08-30 20:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (492 km SE, Japan) — 30.89, 140.377

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