M 4.6 earthquake: Philippine Sea (Surigao, Philippines) — June 17, 1987

M 4.6 earthquake: Philippine Sea (Surigao, Philippines) — June 17, 1987. Epicenter 103 km NE of Surigao, depth 50 km, 23:47 Local (1987-06-17 15:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (103 km NE of Surigao, Philippines) — 10.299, 126.269

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