M 5.0 Earthquake: North Pacific Ocean (Japan) — April 1, 1978

M 5.0 Earthquake: North Pacific Ocean (Japan) — April 1, 1978. Epicenter 355 km S of Yokohama, depth 51 km, 18:49 Local (1978-04-01 09:49 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (355 km S, Japan) — 32.416, 140.858

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