M 4.7 earthquake: Philippine Sea (Surigao, Philippines) — July 6, 1987

M 4.7 earthquake: Philippine Sea (Surigao, Philippines) — July 6, 1987. Epicenter 128 km E of Surigao, depth 33 km, 14:51 Local (1987-07-06 06:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (128 km E of Surigao, Philippines) — 10.129, 126.602

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