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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.

SAN JUAN, ARGENTINA earthquake sequence

Active Gardner–Knopoff windows · 22.10.2026 04:08 – ongoing

Earthquakes
4
Largest
M4,4

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
4.4 SAN JUAN, ARGENTINA 22.10.2026 04:08 103,9 km
2.7 SAN JUAN, ARGENTINA 24.10.2026 15:34 18,0 km
3.1 SAN JUAN, ARGENTINA 30.10.2026 06:27 108,0 km
2.8 SAN JUAN, ARGENTINA 02.11.2026 01:08 115,0 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))