Overview
- Mexico’s National Seismological Service reported a magnitude 4.1 quake at 00:43 near Pijijiapan, Chiapas, at 121 km depth, which did not meet criteria to activate the seismic alert.
- Recent SSN updates also listed a magnitude 4.3 event southeast of Huixtla, Chiapas, and a magnitude 4.2 south of Coalcomán, Michoacán, along with smaller quakes in Jalisco and other Pacific states.
- USGS logs for January 26 included a magnitude 4.3 quake near Snyder, Texas, among multiple events across Alaska, Washington, Nevada and Puerto Rico.
- Mexico City will conduct a city-only seismic drill on Wednesday, February 18 at 11:00 a.m., activating the alert to test protocols and public response, with additional exercises planned later in 2026.
- Officials highlight mobile seismic alerts now integrated into phones nationwide since 2025, urging users to enable government alerts in device settings, as SASMEX triggers warnings based on distance–magnitude thresholds.