M 4.6 earthquake: North Pacific Ocean (Mexico) — April 8, 1977

M 4.6 earthquake: North Pacific Ocean (Mexico) — April 8, 1977. Epicenter 2218 km SW of Manzanillo, depth 33 km, 03:06 Local (1977-04-08 11:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (2218 km SW, Mexico) — 2.53, -115.747

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