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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

CHIAPAS, MEXICO earthquake sequence

Active Gardner–Knopoff windows · 27.09.2026 11:36 – ongoing

Earthquakes
9
Largest
M4,1

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
4.1 CHIAPAS, MEXICO 27.09.2026 11:36 180,4 km
3.8 OAXACA, MEXICO 12.10.2026 12:37 151,9 km
3.3 OAXACA, MEXICO 16.10.2026 22:30 164,8 km
3.4 CHIAPAS, MEXICO 18.10.2026 01:06 168,4 km
3.8 CHIAPAS, MEXICO 20.10.2026 22:28 180,4 km
3.4 OAXACA, MEXICO 31.10.2026 23:28 138,5 km
4.0 OAXACA, MEXICO 04.11.2026 10:52 147,2 km
3.4 CHIAPAS, MEXICO 04.11.2026 19:30 157,6 km
3.5 CHIAPAS, MEXICO 06.11.2026 12:36 154,0 km

Sequences group earthquakes that have occurred by proximity in time and location (Gardner–Knopoff windows, Poisson rate test). Follow AFAD and Kandilli Observatory for official assessments. (Gardner & Knopoff (1974))