Magnitude 4.8 earthquake strikes 107 km SW of Isangel, Vanuatu

Isangel, Vanuatu was shaken by a magnitude 4.8 earthquake on Tuesday, July 21, 2026, at 19:29:18 GMT. The seismic event occurred approximately 107 kilometers southwest of the Vanuatu town, originating at a shallow depth of 10 kilometers beneath the earth's surface. Its epicenter was precisely located at coordinates -20.2649 latitude and 168.5976 longitude.

The U.S. Geological Survey (USGS) is the primary scientific agency responsible for recording and disseminating data about earthquakes worldwide. They utilize a global network of seismograph stations to detect seismic waves generated by fault ruptures, allowing them to determine an earthquake's magnitude, location, and depth. This data is crucial for understanding seismic activity and its potential impacts.