M4.3 earthquake 174 km NW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 174 km NW of Neiafu, Tonga on Sat, Oct 22, 2022, 9:00 AM GMT-12 (21:00 UTC), 206 km (128 mi) below the surface.
A larger quake followed: M4.7 147 km WNW 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-10-22 21:00:24 UTC
- Depth
- 205.7 km (127.8 mi), intermediate-depth
- Epicenter
- 17.497° S, 175.101° 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 15.4 km horizontally, 18.6 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- From location
- Station coverage gap
- 159°
- Stations used
- 11
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.5184 km NNW of Neiafu, Tonga · 1438 days ago · 230 km deep · 35 km away
- 4.5149 km NW of Neiafu, Tonga · 1434 days ago · 234 km deep · 29 km away
- 4.4136 km NW of Neiafu, Tonga · 1424 days ago · 198 km deep · 47 km away
- 4.0208 km SW of Hihifo, Tonga · 1405 days ago · 250 km deep · 46 km away
- 4.7147 km WNW of Neiafu, Tonga · 1401 days ago · 194 km deep · 55 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ikpg. Read Fri, Oct 2, 2026, 11:51 AM UTC.