M 6.1 Earthquake: Philippine Sea (Surigao, Philippines) — August 20, 1943

M 6.1 Earthquake: Philippine Sea (Surigao, Philippines) — August 20, 1943. Epicenter 100 km E of Surigao, depth 35 km, 10:22 Local (1943-08-20 01:22 UTC). Shaking felt by ~20.2M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (100 km E of Surigao, Philippines) — 10.118, 126.332

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