M 5.5 earthquake in Mexico (Guaymas) — October 2, 1973

M 5.5 earthquake in Mexico (Guaymas) — October 2, 1973. Epicenter 156 km W of Guaymas, depth 9 km, 21:27 Local (1973-10-03 04:27 UTC). Shaking felt by ~2.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

156 km W of Guaymas (Mexico) — 27.557, -112.419

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