M 4.7 earthquake: North Pacific Ocean (Japan) — November 12, 1990

M 4.7 earthquake: North Pacific Ocean (Japan) — November 12, 1990. Epicenter 520 km SE of Yokohama, depth 55 km, 21:23 Local (1990-11-12 12:23 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (520 km SE, Japan) — 31.106, 141.739

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