M4.1 earthquake 85 km WNW of Neiafu, Tonga
A magnitude 4.1 earthquake struck 85 km WNW of Neiafu, Tonga on Wed, Sep 28, 2022, 1:36 AM GMT+13 (12:36 UTC), 272 km (169 mi) below the surface.
A larger quake followed: M4.5 149 km NW of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-09-27 12:36:47 UTC
- Depth
- 272.0 km (169.0 mi), intermediate-depth
- Epicenter
- 18.376° S, 174.738° W
- Region
- Tonga
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 11.5 km horizontally, 7.4 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 69°
- Stations used
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.489 km NW of Neiafu, Tonga · 1462 days ago · 107 km deep · 37 km away
- 4.1172 km NW of Neiafu, Tonga · 1460 days ago · 248 km deep · 100 km away
- 4.5149 km NW of Neiafu, Tonga · 1434 days ago · 234 km deep · 76 km away
- 4.4136 km NW of Neiafu, Tonga · 1424 days ago · 198 km deep · 59 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000inmb. Read Fri, Oct 2, 2026, 7:45 AM UTC.