Overview
- Peru's geophysical institute logged a magnitude 4.0 near Jaén in Cajamarca overnight, and local officials reported no damage.
- Following Friday's offshore jolt, the IGP measured a magnitude 4.0 about 36 km southwest of Atico in Arequipa at 10:41 a.m. local time.
- Hours later Friday, a magnitude 4.2 struck near Tarata in Tacna at 1:55 p.m. local time at 156 km depth.
- Mexico's national seismological service listed a magnitude 4.9 near Pijijiapan, Chiapas, early Thursday at 05:07 local time at about 101 km depth.
- Agencies highlight readiness and real‑time checks, with IGP and SSN posting event data and USGS tools such as ShakeAlert providing early warnings where available.