M 5.2 earthquake: North Pacific Ocean (Japan) — December 3, 1977

M 5.2 earthquake: North Pacific Ocean (Japan) — December 3, 1977. Epicenter 495 km S of Hamamatsu, depth 419 km, 14:07 Local (1977-12-03 05:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (495 km S, Japan) — 30.302, 138.386

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