M 4.6 earthquake: North Pacific Ocean (Mexico) — October 9, 1983

M 4.6 earthquake: North Pacific Ocean (Mexico) — October 9, 1983. Epicenter 349 km SW of Puerto Vallarta, depth 10 km, 23:21 Local (1983-10-10 06:21 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (349 km SW, Mexico) — 19.248, -108.223

EarthquakeLive.org