M 5.0 earthquake: Philippine Sea (Surigao, Philippines) — October 3, 1973

M 5.0 earthquake: Philippine Sea (Surigao, Philippines) — October 3, 1973. Epicenter 73 km E of Surigao, depth 71 km, 05:18 Local (1973-10-02 21:18 UTC). Shaking felt by ~1.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (73 km E of Surigao, Philippines) — 9.873, 126.15

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