M4.9 earthquake

85 km W of Hihifo, Tonga

A magnitude 4.9 (light) earthquake struck 85 km W of Hihifo, Tonga on September 20, 2026 at 12:33 AM UTC, at a depth of 10 km.

Magnitude

4.9 mb

Depth

10 km

When

September 20, 2026 at 12:33 AM UTC

Coordinates

-15.961°, -174.597°

Review status

reviewed

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