M 5.2 earthquake: Philippine Sea (Surigao, Philippines) — December 30, 1973

M 5.2 earthquake: Philippine Sea (Surigao, Philippines) — December 30, 1973. Epicenter 125 km E of Surigao, depth 42 km, 18:23 Local (1973-12-30 10:23 UTC). Shaking felt by ~2.3M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (125 km E of Surigao, Philippines) — 10.016, 126.608

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