M 4.8 earthquake: North Pacific Ocean (Japan) — February 21, 1982

M 4.8 earthquake: North Pacific Ocean (Japan) — February 21, 1982. Epicenter 266 km N of Naha, depth 33 km, 14:20 Local (1982-02-21 05:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (266 km N, Japan) — 28.552, 128.218

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