M 6.3 earthquake in Mexico (Puerto Vallarta) — September 15, 1934

M 6.3 earthquake in Mexico (Puerto Vallarta) — September 15, 1934. Epicenter 61 km E of Puerto Vallarta, depth 15 km, 00:56 Local (1934-09-15 06:56 UTC). Shaking felt by ~18.7M people. Readings from every reporting agency, affected towns, aftershock sequence.

61 km E of Puerto Vallarta (Mexico) — 20.485, -104.693

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