M 6.1 earthquake: Philippine Sea (Surigao, Philippines) — January 24, 1931

M 6.1 earthquake: Philippine Sea (Surigao, Philippines) — January 24, 1931. Epicenter 95 km NE of Surigao, depth 35 km, 21:41 Local (1931-01-24 13:41 UTC). Shaking felt by ~23.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (95 km NE of Surigao, Philippines) — 10.442, 126.036

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