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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.

ANTOFAGASTA, CHILE earthquake sequence

Active Gardner–Knopoff windows · 17.10.2026 23:29 – ongoing

Earthquakes
15
Largest
M4,1

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
4.1 ANTOFAGASTA, CHILE 17.10.2026 23:29 269,3 km
3.6 JUJUY, ARGENTINA 19.10.2026 23:53 262,6 km
3.4 POTOSI, BOLIVIA 20.10.2026 12:54 261,4 km
3.0 ANTOFAGASTA, CHILE 21.10.2026 19:28 234,2 km
3.1 JUJUY, ARGENTINA 22.10.2026 02:18 224,4 km
2.8 ANTOFAGASTA, CHILE 27.10.2026 08:09 239,8 km
3.3 ANTOFAGASTA, CHILE 27.10.2026 08:42 262,6 km
2.8 JUJUY, ARGENTINA 29.10.2026 05:42 248,9 km
3.3 JUJUY, ARGENTINA 30.10.2026 18:09 289,2 km
3.4 JUJUY, ARGENTINA 01.11.2026 23:13 264,1 km
3.2 JUJUY, ARGENTINA 02.11.2026 20:04 240,6 km
3.1 ANTOFAGASTA, CHILE 02.11.2026 23:04 245,4 km
3.1 ANTOFAGASTA, CHILE 03.11.2026 07:36 236,8 km
3.6 ANTOFAGASTA, CHILE 04.11.2026 18:19 249,9 km
3.1 ANTOFAGASTA, CHILE 08.11.2026 01:46 237,3 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))