M 4.5 earthquake: Philippine Sea (Agana, Guam) — January 21, 1999

M 4.5 earthquake: Philippine Sea (Agana, Guam) — January 21, 1999. Epicenter 185 km SW of Agana, depth 33 km, 21:13 Local (1999-01-21 11:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (185 km SW of Agana, Guam) — 12.114, 143.757

EarthquakeLive.org