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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.

OFFSHORE OAXACA, MEXICO earthquake sequence

Active Gardner–Knopoff windows · 21.10.2026 12:27 – ongoing

Earthquakes
7
Largest
M4,1

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
4.1 OFFSHORE OAXACA, MEXICO 21.10.2026 12:27 5,0 km
3.3 OFFSHORE OAXACA, MEXICO 21.10.2026 12:34 16,0 km
3.9 OFFSHORE OAXACA, MEXICO 21.10.2026 12:54 15,0 km
3.8 OFFSHORE OAXACA, MEXICO 21.10.2026 13:04 16,7 km
3.7 OFFSHORE OAXACA, MEXICO 21.10.2026 23:43 17,5 km
3.5 OFFSHORE OAXACA, MEXICO 28.10.2026 12:41 14,4 km
3.4 OAXACA, MEXICO 08.11.2026 12:57 9,6 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))