M 4.5 earthquake: Philippine Sea (Surigao, Philippines) — August 7, 1975

M 4.5 earthquake: Philippine Sea (Surigao, Philippines) — August 7, 1975. Epicenter 123 km NE of Surigao, depth 140 km, 19:43 Local (1975-08-07 11:43 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (123 km NE of Surigao, Philippines) — 10.43, 126.399

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