M4.3 earthquake 151 km NW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 151 km NW of Neiafu, Tonga on Sat, Sep 30, 2023, 4:45 AM GMT+13 (15:45 UTC), 220 km (137 mi) below the surface.
A larger quake followed: M5.5 159 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-09-29 15:45:13 UTC
- Depth
- 219.8 km (136.6 mi), intermediate-depth
- Epicenter
- 17.709° S, 175.020° 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 10.8 km horizontally, 7.4 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 56°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.571 km NW of Neiafu, Tonga · 1082 days ago · 121 km deep · 80 km away
- 4.069 km NW of Neiafu, Tonga · 1050 days ago · 116 km deep · 83 km away
- 5.5159 km NW of Neiafu, Tonga · 1048 days ago · 240 km deep · 14 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000lbqv. Read Sat, Oct 3, 2026, 4:19 AM UTC.