M 6.9 earthquake: Philippine Sea (Agana, Guam) — June 18, 1942

M 6.9 earthquake: Philippine Sea (Agana, Guam) — June 18, 1942. Epicenter 630 km SW of Agana, depth 15 km, 18:30 Local (1942-06-18 09:30 UTC). Shaking felt by ~122K people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (630 km SW of Agana, Guam) — 9.491, 140.63