Overview
- The National Seismological Service reported two early-morning quakes on December 23: magnitude 4.7 near Mapastepec, Chiapas at 03:09 and magnitude 4.1 near Coyuca de Benítez, Guerrero at 04:52.
- A magnitude 5.2 earthquake was confirmed on the night of December 21 with an epicenter 141 km southwest of Mapastepec, Chiapas at 20:20 local time.
- Civil Protection said there were no reported damages from the Chiapas 5.2 event and stated that monitoring remains in place.
- Mexico’s Navy Tsunami Warning Center reported no expectation of sea-level changes from the Chiapas quake.
- Regional networks also logged additional moderate events, including a 4.4 offshore Trujillo, Peru with a green alert and routine small U.S. quakes reported by USGS, the largest a 3.5 near Ridgemark, California.