Overview
- The strongest event in the sequence was a magnitude 4.0 recorded Friday morning, August 14, about 53 km west of Cintalapa, Chiapas, at a focal depth of roughly 120 km.
- On August 13 several low‑magnitude quakes were logged across Oaxaca and Chiapas, including a 3.6 near Crucecita, a 3.6–3.8 cluster off Salina Cruz and Matías Romero, a 3.7 near Tonalá and a 3.9 offshore Huixtla.
- Federal and state Protección Civil units and the Servicio Sismológico Nacional report no casualties, no material damage and no activation of Mexico City’s public seismic alert for these events.
- Separately, an offshore El Salvador quake measured at about 5.5–5.7 by regional agencies was felt in Honduras and Nicaragua but produced no reported victims or major damage.
- Experts say frequent small quakes reflect Mexico’s position on the Pacific Ring of Fire, deeper shocks generally cause weaker surface shaking, and authorities urge continued monitoring and basic preparedness steps for residents.