Overview
- Mexico’s National Seismological Service logged a magnitude 4.0 event at 04:12 local time, 83 km southwest of Huixtla, Chiapas, at 23.7 km depth.
- Mexico City’s seismic alert (SASMEX) did not activate for the Huixtla quake because the system’s activation criteria were not met.
- Peru’s Geophysical Institute reported two quakes northwest of Jaén, Cajamarca: a magnitude 4.8 at 11:36 (27 km depth) and a magnitude 4.9 at 13:15 (29 km depth), both felt at intensity III–IV.
- Argentina’s Inpres measured a magnitude 5.0 quake at 14:13 near Chepes, La Rioja, at roughly 135 km depth, felt across parts of Córdoba, San Luis, Mendoza and San Juan, with no immediate damage reported.
- National agencies in all three countries say they are maintaining real-time monitoring and urge the public to follow official guidance and preparedness measures.