M4.6 earthquake

99 km WSW of Houma, Tonga

A magnitude 4.6 (light) earthquake struck 99 km WSW of Houma, Tonga on August 5, 2026 at 8:59 PM UTC, at a depth of 137 km.

Magnitude

4.6 mb

Depth

137 km

When

August 5, 2026 at 8:59 PM UTC

Coordinates

-21.517°, -176.189°

Review status

reviewed

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