M 4.7 earthquake in Mexico (Tehuacan) — January 31, 1973

M 4.7 earthquake in Mexico (Tehuacan) — January 31, 1973. Epicenter 46 km SE of Tehuacan, depth 50 km, 06:32 Local (1973-01-31 12:32 UTC). Shaking felt by ~2.1M people. Readings from every reporting agency, affected towns, aftershock sequence.

46 km SE of Tehuacan (Mexico) — 18.187, -97.047

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