M 5.1 earthquake: North Pacific Ocean (Japan) — March 15, 1977

M 5.1 earthquake: North Pacific Ocean (Japan) — March 15, 1977. Epicenter 320 km NE of Naha, depth 8 km, 16:22 Local (1977-03-15 07:22 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (320 km NE, Japan) — 27.409, 130.601

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