Overview
- Mexico’s National Seismological Service reported a magnitude 4.2 earthquake near Ahome, Sinaloa at about 01:51 local time on February 21 with a depth near 10 km, and authorities reported no damage.
- The SSN also documented a brief swarm near Pichucalco, Chiapas, with three low-magnitude events of 2.5, 2.0 and 1.7 between 04:40 and 04:43.
- On February 20, Mexico registered several small earthquakes in Baja California Sur, Oaxaca and Guerrero, none of which triggered the seismic alert system.
- Peru’s IGP logged multiple recent events, including a magnitude 4.0 on February 19 located 43 km north of Lancones in Piura with reported intensity levels of II–III.
- Seismic agencies direct the public to official feeds for real-time updates, while the USGS highlights tools such as its Latest Earthquakes map and the ShakeAlert early-warning system in the United States.