Overview
- Mexico’s Seismological Service revised the Oaxaca quake to magnitude 5.2 at 9–10 km depth, striking at 21:45 local time about 48 km from Crucecita in Santa María Huatulco.
- The Mexican seismic alert system detected the event but did not trigger sirens because energy thresholds were not met, and light shaking was reported in parts of Mexico City.
- Oaxaca’s state and national civil protection agencies activated verification and surveillance protocols and reported no injuries or material damage in initial assessments.
- In Argentina, INPRES logged a roughly magnitude 5.0 quake at 20:28 local time on Dec. 2 at 10 km depth, with an epicenter north of Mendoza and near the San Juan border.
- Authorities in Mendoza and San Juan reported intensities from weak to moderate with oscillating hanging objects, no casualties or damage, and noted early magnitude figures were corrected from initial reports.