M 5.0 earthquake: North Pacific Ocean (Japan) — April 30, 1978

M 5.0 earthquake: North Pacific Ocean (Japan) — April 30, 1978. Epicenter 510 km NE of Kushiro, depth 38 km, 01:34 Local (1978-04-29 15:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (510 km NE, Japan) — 44.603, 150.311

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