M 4.7 earthquake near Philippine Sea (Guam) — 1980-05-23
Magnitude 4.7 earthquake near Philippine Sea (97 km SW of Agana, Guam), depth 33 km, 17:24 Local (1980-05-23 07:24 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.
Philippine Sea (97 km SW of Agana, Guam) — 12.868, 144.1
