M 5.7 - 180 km NW of Hihifo, Tonga
A magnitude 5.7 earthquake was recorded by USGS near 180 km NW of Hihifo. On the USGS Earthquake Hazards Program scale, M5.7 is classified "Moderate". Among the 1,834 earthquake reports Areazine has published, this M5.7 event ranks stronger than 93% of them (rank #96 by magnitude).
The earthquake report, at a glance
- Magnitude
- M 5.7
- USGS class
- Moderate
- Location
- 180 km NW of Hihifo
- Archive rank
- #96 of 1,834
- Source
- USGS
- Published
- September 23, 2026
Out of 1,834 earthquake reports Areazine has logged, this one outranks 93% of them — 95 recorded a higher magnitude.
Record status: USGS's reading at the moment of detection — the agency keeps revising magnitude, aftershock counts, and felt reports on its own event page as more data arrives.
What Happened
A M 5.7 mww earthquake occurred 180 km NW of Hihifo, Tonga, at a depth of 10 km. The event took place at 1790174462650 Unix time (UTC) and was reviewed by USGS.
Location Details
The epicenter was located at latitude -14.9369, longitude -175.1114, 180 km northwest of Hihifo, Tonga. The 10 km depth classifies this as a shallow earthquake (less than 20 km).
Impact Assessment
No felt reports were recorded. The Modified Mercalli Intensity reached 3.962. A green alert level was issued, and no tsunami advisory was in effect (tsunami flag: 0).
What You Should Know
This was a moderate earthquake. Shallow events of this magnitude can produce noticeable shaking but are unlikely to cause significant damage in remote areas.
Source
Data from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/us6000tx3m
Original source: USGS Official Notice ↗
Related Earthquakes
All Earthquakes →Similar notices nationwide by length or severity timing 8
Two Areazine-derived peer sets for this USGS earthquake report: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (837 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to September 23, 2026.
Frequently Asked Questions
Questions readers often have about this USGS earthquake report.