M 4.7 earthquake: North Pacific Ocean (Japan) — May 6, 1975

M 4.7 earthquake: North Pacific Ocean (Japan) — May 6, 1975. Epicenter 537 km SE of Yokohama, depth 18 km, 19:08 Local (1975-05-06 10:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (537 km SE, Japan) — 30.977, 141.832

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