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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 MICHOACAN, MEXICO earthquake sequence

Closed Gardner–Knopoff windows · 27.09.2026 21:03 – 08.11.2026 05:41

Earthquakes
7
Largest
M4,0
Mainshock
M4,0 · OFFSHORE MICHOACAN, MEXICO · 27.09.2026 21:03

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
4.0 OFFSHORE MICHOACAN, MEXICO 27.09.2026 21:03 6,1 km
3.4 OFFSHORE MICHOACAN, MEXICO 11.10.2026 10:58 16,1 km
3.5 OFFSHORE MICHOACAN, MEXICO 13.10.2026 10:33 16,7 km
3.4 OFFSHORE MICHOACAN, MEXICO 14.10.2026 01:44 17,8 km
3.5 OFFSHORE MICHOACAN, MEXICO 27.10.2026 01:08 5,3 km
3.7 OFFSHORE MICHOACAN, MEXICO 04.11.2026 12:15 17,1 km
3.5 OFFSHORE MICHOACAN, MEXICO 06.11.2026 12:51 15,7 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))