M 5.3 earthquake: North Pacific Ocean (Japan) — April 7, 1978

M 5.3 earthquake: North Pacific Ocean (Japan) — April 7, 1978. Epicenter 436 km NE of Kushiro, depth 34 km, 18:29 Local (1978-04-07 08:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (436 km NE, Japan) — 44.443, 149.407

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