7.5Major

M 7.5 - 166 km W of Neiafu, Tonga

166 km W of Neiafu, Tonga

March 24, 2026 at 1:37 PM UTC

Seismic Data

Magnitude
M7.5
Major
Depth
229.4 km
below surface
Coordinates
18.6678ยฐS, 175.5601ยฐW
epicenter
Felt Reports
18
DYFI responses
Max Intensity (CDI)
4.9
Community Internet Intensity
Shakemap MMI
5.3
Modified Mercalli Intensity

About This Earthquake

This was a major earthquake registering M7.5 on the moment magnitude scale. It struck at 166 km W of Neiafu, Tonga at a depth of 229.4 km below the surface.

18 people submitted felt reports to the USGS Did You Feel It? system, indicating the earthquake was perceptible across a significant area.

The earthquake occurred on March 24, 2026 at 1:37 PM UTC. View the full USGS event page for detailed waveform data, station information, and ShakeMap products: USGS Event us7000s789.

Frequently Asked Questions

How strong was the 166 km W of Neiafu, Tonga earthquake?

This was a major earthquake with a magnitude of 7.5. Earthquakes of this magnitude can cause significant structural damage.

Where was the 166 km W of Neiafu, Tonga earthquake felt?

The earthquake occurred at 166 km W of Neiafu, Tonga at a depth of 229.4 km. A total of 18 people submitted felt reports.

M7.5 Major Earthquake - 166 km W of Neiafu, Tonga | USGS