Magnitude 5.1 earthquake strikes 7 km WNW of Kalbay, Philippines

A magnitude 5.1 earthquake occurred near Kalbay, Philippines, on Tuesday, July 21, 2026, at 18:33:27 GMT. The U.S. Geological Survey (USGS) reported the seismic event at a depth of 68.769 kilometers. Its epicenter was located 7 kilometers WNW of Kalbay, specifically at coordinates 5.739 latitude and 125.4295 longitude.

The USGS, a scientific agency of the United States government, monitors and reports on earthquakes globally. They use a network of seismic sensors to detect ground motion and calculate key parameters such as magnitude, depth, and location. Magnitude is a measure of the energy released at the earthquake's source.

This particular earthquake, with its reported magnitude and depth, was recorded by the USGS as part of its ongoing mission to understand and characterize seismic activity around the world.