M 4.7 earthquake: North Pacific Ocean (Japan) — May 22, 1983

M 4.7 earthquake: North Pacific Ocean (Japan) — May 22, 1983. Epicenter 639 km SE of Shizuoka, depth 33 km, 21:15 Local (1983-05-22 12:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (639 km SE, Japan) — 29.854, 141.446

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