M 5.4 earthquake: North Pacific Ocean (Mexico) — January 11, 1978

M 5.4 earthquake: North Pacific Ocean (Mexico) — January 11, 1978. Epicenter 288 km SW of Puerto Vallarta, depth 33 km, 14:05 Local (1978-01-11 20:05 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (288 km SW, Mexico) — 18.804, -107.14

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