M 6.9 earthquake: North Pacific Ocean (Japan) — March 7, 1978

M 6.9 earthquake: North Pacific Ocean (Japan) — March 7, 1978. Epicenter 302 km S of Hamamatsu, depth 439 km, 11:48 Local (1978-03-07 02:48 UTC). Shaking felt by ~82.9M people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (302 km S, Japan) — 32.005, 137.609

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