Magnitude 4.7 earthquake strikes 12 km SE of Cuya, Chile

A magnitude 4.7 earthquake occurred on Wednesday, July 22, 2026, at 02:03:50 GMT. The seismic event was located 12 km southeast of Cuya, Chile, at coordinates -19.2494 latitude and -70.1036 longitude.

The earthquake originated at a depth of 60.814 kilometers. The United States Geological Survey (USGS) measures earthquake magnitude, a standardized and logarithmic scale, based on the seismic waves generated.

The USGS uses a global network of seismograph stations to detect and locate earthquakes, determining parameters such as magnitude, depth, and time of occurrence.