M 4.7 earthquake in Mexico (Ciudad Guzman) — February 26, 1978

M 4.7 earthquake in Mexico (Ciudad Guzman) — February 26, 1978. Epicenter 42 km W of Ciudad Guzman, depth 91 km, 19:17 Local (1978-02-27 01:17 UTC). Shaking felt by ~768K people. Readings from every reporting agency, affected towns, aftershock sequence.

42 km W of Ciudad Guzman (Mexico) — 19.612, -103.847

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