M 4.9 earthquake: North Pacific Ocean (Japan) — March 30, 1978

M 4.9 earthquake: North Pacific Ocean (Japan) — March 30, 1978. Epicenter 432 km E of Kushiro, depth 44 km, 15:16 Local (1978-03-30 05:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (432 km E, Japan) — 44.129, 149.497

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