World · Latin America · 5 hrs ago
Mexico records 31 earthquakes, including a magnitude 4.2 in Chiapas
Mexico’s National Seismological Service recorded 31 earthquakes early on October 18.
The strongest measured magnitude 4.2 and occurred 130 kilometres southwest of Ciudad Hidalgo, Chiapas, at 07:01.
It was 10 kilometres deep, and quakes of this size may be felt near their location.
Most of the recorded movements were between magnitude 3.0 and 3.9, which may be faintly felt or not noticed, depending on distance and depth.
Chiapas, Guerrero and Oaxaca had the most activity, in a region with frequent earthquakes linked to tectonic plate movement off the Pacific coast.
The service also recorded a magnitude 4.1 quake near Matías Romero, Oaxaca, and a magnitude 4.0 quake near Pijijiapan, Chiapas.
The account gives differing locations and magnitudes for some Chiapas reports, but identifies the 4.2 event as the strongest in its morning summary.
Mexico’s National Seismological Service reported 31 earthquakes between 00:15 and 07:28 on October 18, 2026.
The strongest was magnitude 4.2, recorded southwest of Ciudad Hidalgo in Chiapas at 07:01.
The report counted 12 earthquakes in Chiapas, seven in Guerrero and six in Oaxaca.
Other earthquakes occurred in Baja California Sur, Baja California, Colima, Veracruz and Jalisco.
Most of the reported earthquakes had magnitudes between 3.0 and 3.9.
- Who
- Mexico’s National Seismological Service reported the earthquakes.
- What
- A total of 31 earthquakes were recorded, with the strongest measuring magnitude 4.2.
- When
- October 18, 2026, between 00:15 and 07:28.
- Where
- Across Mexico, with the most activity in Chiapas, Guerrero and Oaxaca.
- Why
- The article links activity in Chiapas, Guerrero and Oaxaca to tectonic plate movement off the Pacific coast.
This story does not have two clearly opposing sides.
The report recorded 31 earthquakes across Mexico.
A magnitude 4.1 earthquake occurred northeast of Matías Romero, Oaxaca.
A magnitude 4.2 earthquake occurred southwest of Ciudad Hidalgo, Chiapas.
A magnitude 4.0 earthquake occurred southwest of Pijijiapan, Chiapas.
- Total earthquakes
- 31
- Strongest earthquake
- Magnitude 4.2
- Strongest earthquake location
- 130 km southwest of Ciudad Hidalgo, Chiapas
- Strongest earthquake time
- 07:01 on October 18, 2026
- Counts by state
- Chiapas: 12; Guerrero: 7; Oaxaca: 6
- Most common magnitude range
- 3.0–3.9