M 5.7 earthquake: North Pacific Ocean (Mexico) — September 21, 1977

M 5.7 earthquake: North Pacific Ocean (Mexico) — September 21, 1977. Epicenter 327 km S of Cabo San Lucas, depth 33 km, 06:15 Local (1977-09-21 13:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (327 km S, Mexico) — 20.033, -109.154

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