Magnitude 4.6 earthquake strikes south of the Fiji Islands

A magnitude 4.6 earthquake struck south of the Fiji Islands at a depth of 204.561 kilometers on Tuesday, July 21, 2026, at 00:25:29 GMT. The United States Geological Survey (USGS) located the temblor at coordinates -23.6436, -177.3268.

The USGS uses a global network of seismographs to detect and record ground motion caused by earthquakes. This data is then analyzed to determine the earthquake's magnitude, location, and other characteristics. Magnitude is a measure of the energy released by an earthquake.

This particular seismic event occurred significantly deep within the Earth's crust. No additional details are available beyond the recorded data.