M 6.4 earthquake: Philippine Sea (Agana, Guam) — May 7, 1917

M 6.4 earthquake: Philippine Sea (Agana, Guam) — May 7, 1917. Epicenter 305 km S of Agana, depth 15 km, 08:55 Local (1917-05-06 22:55 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (305 km S of Agana, Guam) — 10.783, 144.201

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