M 6.5 earthquake: Philippine Sea (Legazpi, Philippines) — August 18, 1957

M 6.5 earthquake: Philippine Sea (Legazpi, Philippines) — August 18, 1957. Epicenter 108 km S of Legazpi, depth 20 km, 16:37 Local (1957-08-18 08:37 UTC). Shaking felt by ~40.8M people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (108 km S of Legazpi, Philippines) — 12.221, 123.959

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