Overview
- The National Seismological Service confirmed a magnitude 4.3 earthquake at 06:24 on October 12 with an epicenter southwest of Armería, Colima, at a depth of about 2.2 km.
- Civil protection and fire authorities in Colima reported no damage following the morning quake.
- Mexico’s seismic alert did not activate because the recorded magnitudes were below the thresholds used for public warnings in Mexico City.
- Recent activity also included a magnitude 4.9 northeast of Matías Romero, Oaxaca, and a magnitude 4.3 southwest of Mapastepec, Chiapas, late on October 11, plus earlier 3.7 and 3.2 tremors near Manzanillo, Colima.
- As of early Monday, October 13, no new quakes were listed in the first morning update, with the latest entries showing minor Sunday afternoon events in Chiapas, Oaxaca, and Baja California.