M 4.6 earthquake: North Pacific Ocean (Japan) — April 2, 1983

M 4.6 earthquake: North Pacific Ocean (Japan) — April 2, 1983. Epicenter 417 km SE of Yokohama, depth 33 km, 17:47 Local (1983-04-02 08:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (417 km SE, Japan) — 32.532, 142.478

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