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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 · 20.10.2026 17:41 – ongoing

Earthquakes
7
Largest
M4,3

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
4.3 OFFSHORE OAXACA, MEXICO 20.10.2026 17:41 10,0 km
4.0 OFFSHORE OAXACA, MEXICO 20.10.2026 17:43 10,0 km
3.6 OFFSHORE OAXACA, MEXICO 21.10.2026 22:16 2,8 km
3.7 OFFSHORE OAXACA, MEXICO 22.10.2026 01:24 11,4 km
3.8 OFFSHORE OAXACA, MEXICO 24.10.2026 00:37 5,0 km
3.2 OFFSHORE OAXACA, MEXICO 30.10.2026 00:31 15,6 km
3.0 OAXACA, MEXICO 30.10.2026 13:28 26,7 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))