M 4.7 earthquake: North Pacific Ocean (Mexico) — July 7, 1983

M 4.7 earthquake: North Pacific Ocean (Mexico) — July 7, 1983. Epicenter 274 km S of Cabo San Lucas, depth 10 km, 10:04 Local (1983-07-07 17:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (274 km S, Mexico) — 20.583, -108.976

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