M 4.6 earthquake: North Pacific Ocean (Japan) — December 24, 1978

M 4.6 earthquake: North Pacific Ocean (Japan) — December 24, 1978. Epicenter 372 km SE of Yokohama, depth 33 km, 07:37 Local (1978-12-23 22:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (372 km SE, Japan) — 32.419, 141.361

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