Overview
- Mexico’s seismological service counted 2,144 aftershocks by 08:00 on January 4 following the January 2 magnitude 6.5 quake in San Marcos, with the largest at magnitude 4.7.
- An additional magnitude 4.6 event was recorded at 07:54 on January 4 about 20 km southwest of San Marcos, consistent with an active aftershock sequence.
- Guerrero authorities identified impacts in 24 municipalities, and national protocols remain active with Defense and Navy emergency plans supporting inspections and assistance.
- Officials report a preliminary toll of two deaths and infrastructure damage, while ongoing checks have not found major new harm from the aftershocks.
- Peru’s geophysical institute reported a magnitude 4.5 quake off Ica on January 3 at 20 km depth and intensity III, and naval hydrography authorities ruled out a tsunami as no casualties were reported.