M 5.1 earthquake: North Pacific Ocean (Japan) — August 13, 1977

M 5.1 earthquake: North Pacific Ocean (Japan) — August 13, 1977. Epicenter 293 km E of Naha, depth 33 km, 19:36 Local (1977-08-13 10:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (293 km E, Japan) — 26.844, 130.526

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