A moderate seismic event registering 4.00 magnitude was recorded in the vicinity of Antofagasta, Chile. The tremor occurred on February 4, 2026, at 17:43 UTC.
Geophysical analysis determined the epicenter was located offshore near the Chilean coast, centered at coordinates -23.50° latitude and -70.40° longitude. Initial assessments indicate the event had a focal depth of 35 kilometers.
The event took place under clear environmental conditions. Weather monitoring stations reported a clear sky with surface temperatures measured at 24.5°C, accompanied by a light, negligible breeze at the time of the seismic activity.
Our editorial team carefully monitors seismic data to provide in-depth analysis. Explore our real-time interactive Live Map for more details.