M 4.8 earthquake: North Pacific Ocean (Japan) — May 23, 1978

M 4.8 earthquake: North Pacific Ocean (Japan) — May 23, 1978. Epicenter 381 km E of Kitami, depth 81 km, 00:32 Local (1978-05-22 14:32 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (381 km E, Japan) — 44.641, 148.559

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