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Mexico experiences seismic activity in Chiapas and Oaxaca
Multiple seismic events were recorded on October 28, 2026, across the southern Mexican states of Chiapas and Oaxaca. In Chiapas, a swarm of at least 11 earthquakes occurred, primarily concentrated along the coast near Ciudad Hidalgo and Huixtla. The largest tremor in this cluster reached a magnitude of 4.3, located 150 kilometers southwest of Ciudad Hidalgo.
In Oaxaca, a magnitude 4.1 earthquake occurred at 15:06 local time, with its epicenter 56 kilometers southwest of Pinotepa Nacional. This event was recorded at a depth of 12 kilometers.
Authorities and the National Seismological Service (SSN) monitored the activity. No material damages or impacts to public infrastructure have been reported following these movements.
Entities
Chiapas · Ciudad Hidalgo · Oaxaca · Pinotepa Nacional · Servicio Sismológico Nacional
Claims
What the coverage asserts, and how many sources carry each claim.
- [○ 1 SOURCE] A magnitude 4.1 earthquake occurred 56 kilometers southwest of Pinotepa Nacional, Oaxaca.
- [○ 1 SOURCE] At least 11 earthquakes were recorded in Chiapas on October 28, 2026.
- [○ 1 SOURCE] The Oaxaca earthquake occurred at a depth of 12 kilometers.
- [○ 1 SOURCE] No material damages or infrastructure damage have been reported from the seismic activity.
- [○ 1 SOURCE] The largest earthquake in the Chiapas swarm had a magnitude of 4.3.