M 6.7 earthquake: Philippine Sea (Surigao, Philippines) — February 11, 1957

M 6.7 earthquake: Philippine Sea (Surigao, Philippines) — February 11, 1957. Epicenter 99 km NE of Surigao, depth 20 km, 06:50 Local (1957-02-10 22:50 UTC). Shaking felt by ~49.7M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (99 km NE of Surigao, Philippines) — 10.317, 126.216

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