M 4.9 earthquake: North Pacific Ocean (Mexico) — April 4, 1984
M 4.9 earthquake: North Pacific Ocean (Mexico) — April 4, 1984. Epicenter 320 km SW of Puerto Vallarta, depth 10 km, 20:29 Local (1984-04-05 03:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.
North Pacific Ocean (320 km SW, Mexico) — 18.801, -107.562
