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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.

LA RIOJA, ARGENTINA earthquake sequence

Active Gardner–Knopoff windows · 13.10.2026 06:04 – ongoing

Earthquakes
5
Largest
M4,4

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
4.4 LA RIOJA, ARGENTINA 13.10.2026 06:04 130,0 km
2.9 LA RIOJA, ARGENTINA 27.10.2026 02:36 125,0 km
2.5 LA RIOJA, ARGENTINA 27.10.2026 19:34 115,0 km
2.5 LA RIOJA, ARGENTINA 03.11.2026 04:08 114,0 km
3.4 LA RIOJA, ARGENTINA 03.11.2026 09:10 132,0 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))