M5.3 Earthquake — 26 km NW of Neiafu, Tonga

Measurements

Measured by

Earthquake data courtesy of the U.S. Geological Survey

This is a scientific measurement of an event that has already happened. It is not a warning, and it does not tell you what to do.

Not rated by source. US Geological Survey does not publish a severity for this; the level shown is our own classification.

This event as JSON · API and licence

Source updated 41 days ago (Sep 8, 2026 22:19 UTC) · we last heard from US Geological Survey 8 seconds ago

What has changed

• Magnitude revised from M5.2 to M5.3 — Sep 8, 12:35 UTC by US Geological Survey

Figures published in the first minutes of an event are preliminary. A change here is the agency refining its own estimate, not a correction to this page.

What USGS has published since this earthquake

Reports of the shaking

USGS received 3 "Did You Feel It?" reports; the strongest shaking reported was intensity III (weak).

From the U.S. Geological Survey. The USGS event page has the maps and everything USGS has published for this earthquake.

Official authorities in Tonga

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

• Tonga Meteorological Service

General safety information

No authority has issued instructions for this event. The guidance below is general background reading, not a response to it.

Drop, Cover, and Hold On — what to do before, during and after an earthquake, plus emergency kit and family plan checklists.