M 7.1 earthquake: Philippine Sea (Agana, Guam) — May 10, 1917

M 7.1 earthquake: Philippine Sea (Agana, Guam) — May 10, 1917. Epicenter 287 km S of Agana, depth 15 km, 01:54 Local (1917-05-09 15:54 UTC). Shaking felt by ~125K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (287 km S of Agana, Guam) — 10.913, 144.408

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