M4.2 earthquake 159 km W of Neiafu, Tonga
A magnitude 4.2 earthquake struck 159 km W of Neiafu, Tonga on Sat, Sep 17, 2022, 8:59 AM GMT+13 (19:59 UTC), 205 km (128 mi) below the surface.
A larger quake followed: M4.6 183 km W 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-09-16 19:59:11 UTC
- Depth
- 205.2 km (127.5 mi), intermediate-depth
- Epicenter
- 18.671° S, 175.495° 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 7.9 km horizontally, 9.1 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 94°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3169 km WNW of Neiafu, Tonga · 1471 days ago · 231 km deep · 72 km away
- 4.185 km WNW of Neiafu, Tonga · 1467 days ago · 272 km deep · 86 km away
- 4.6183 km W of Neiafu, Tonga · 1464 days ago · 264 km deep · 35 km away
- 4.3240 km W of Neiafu, Tonga · 1450 days ago · 10 km deep · 87 km away
- 4.5166 km WNW of Pangai, Tonga · 1438 days ago · 212 km deep · 75 km away
- 4.1Tonga · 1427 days ago · 221 km deep · 39 km away
- 4.4136 km NW of Neiafu, Tonga · 1425 days ago · 198 km deep · 99 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ia85. Read Sat, Oct 3, 2026, 3:59 PM UTC.