M4.5 earthquake Tonga region

A magnitude 4.5 earthquake struck in the Tonga region on Sat, Jun 17, 2023, 12:48 AM GMT+13 (11:48 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M6.2 254 km SSW of ‘Ohonua, Tonga. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 119 in the 60 days after this one and 12 in the 30 days before it.

The first 60 of 119.

From the USGS Earthquake Hazards Program and its partner networks, event us7000k8wn. Read Mon, Oct 5, 2026, 1:42 PM UTC.