M 6.6 earthquake: North Pacific Ocean (Mexico) — July 22, 1938

M 6.6 earthquake: North Pacific Ocean (Mexico) — July 22, 1938. Epicenter 301 km SW of Puerto Vallarta, depth 20 km, 00:48 Local (1938-07-22 07:48 UTC). Shaking felt by ~4.8M people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (301 km SW, Mexico) — 18.658, -107.164

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