M 4.6 earthquake: Philippine Sea (Surigao, Philippines) — January 17, 1990

M 4.6 earthquake: Philippine Sea (Surigao, Philippines) — January 17, 1990. Epicenter 83 km E of Surigao, depth 33 km, 19:10 Local (1990-01-17 11:10 UTC). Shaking felt by ~1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (83 km E of Surigao, Philippines) — 9.764, 126.242

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