M 4.6 Earthquake: North Pacific Ocean (Japan) — February 28, 1979

M 4.6 Earthquake: North Pacific Ocean (Japan) — February 28, 1979. Epicenter 509 km SE of Shizuoka, depth 112 km, 02:18 Local (1979-02-27 17:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (509 km SE, Japan) — 30.758, 140.466

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