M 4.8 Earthquake: Philippine Sea (Agana, Guam) — May 21, 1997

M 4.8 Earthquake: Philippine Sea (Agana, Guam) — May 21, 1997. Epicenter 49 km N of Agana, depth 136 km, 15:04 Local (1997-05-21 05:04 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (49 km N of Agana, Guam) — 13.897, 144.867

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