M 5.6 earthquake: Philippine Sea (Surigao, Philippines) — February 17, 1970

M 5.6 earthquake: Philippine Sea (Surigao, Philippines) — February 17, 1970. Epicenter 47 km E of Surigao, depth 55 km, 13:46 Local (1970-02-17 05:46 UTC). Shaking felt by ~7.5M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (47 km E of Surigao, Philippines) — 9.846, 125.912

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