Update: 5.3 magnitude earthquake registered close to Chilecito, Argentina on Sept. 23

Published Oct 15, 2026

FAMATINA DEPARTMENT, La Rioja Province — A 5.3 magnitude quake occurred near Chilecito on Wednesday morning, according to the U.S. Geological Survey.

The tremor, which shook the area at 09:21 UTC (06:21 local time), was centered approximately 47 km north-northeast of Chilecito. It occurred at a depth of 121 km.

Did you feel it?

If you experienced the earthquake, you can share your observations using the USGS Felt Report form. The agency has received 4 responses on its online form so far, from people saying they experienced the quake.

Source: The U.S. Geological Survey