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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 GUERRERO, MEXICO earthquake sequence

Active Gardner–Knopoff windows · 17.10.2026 12:36 – ongoing

Earthquakes
7
Largest
M4,3
Mainshock
M4,3 · OFFSHORE GUERRERO, MEXICO · 17.10.2026 12:36

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
4.3 OFFSHORE GUERRERO, MEXICO 17.10.2026 12:36 28,5 km
3.1 GUERRERO, MEXICO 25.10.2026 12:38 41,5 km
3.9 OFFSHORE GUERRERO, MEXICO 28.10.2026 11:29 3,6 km
3.2 OFFSHORE GUERRERO, MEXICO 28.10.2026 11:34 4,2 km
3.3 OFFSHORE GUERRERO, MEXICO 28.10.2026 23:09 40,0 km
3.3 OFFSHORE GUERRERO, MEXICO 29.10.2026 22:31 39,1 km
3.4 GUERRERO, MEXICO 30.10.2026 13:40 50,6 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))