M 4.6 earthquake: Philippine Sea (Surigao, Philippines) — August 18, 1992

M 4.6 earthquake: Philippine Sea (Surigao, Philippines) — August 18, 1992. Epicenter 123 km E of Surigao, depth 33 km, 11:31 Local (1992-08-18 03:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (123 km E of Surigao, Philippines) — 10.112, 126.561

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