Magnitude 5.3 earthquake strikes 132 km ENE of Santa Cruz das Flores, Portugal

A magnitude 5.3 earthquake struck 132 km ENE of Santa Cruz das Flores, Portugal, on Tuesday, July 21, 2026, at 13:13:11 GMT. The seismic event occurred at a shallow depth of 6.736 km, with its epicenter located at coordinates 39.9371, -29.7175.

The earthquake was recorded by the United States Geological Survey (USGS), which is responsible for monitoring and reporting on seismic activity worldwide. The USGS determines earthquake magnitudes based on instrumental recordings of ground motion.