M4.6 earthquake

south of Tonga

A magnitude 4.6 (light) earthquake struck south of Tonga on August 18, 2026 at 11:55 AM UTC, at a depth of 10 km.

Magnitude

4.6 mb

Depth

10 km

When

August 18, 2026 at 11:55 AM UTC

Coordinates

-24.822°, -175.262°

Review status

reviewed

Source: U.S. Geological Survey. Details may be revised as the event is reviewed.