M4.5 earthquake 94 km NNW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 94 km NNW of Neiafu, Tonga on Wed, Mar 15, 2023, 10:28 PM GMT+13 (09:28 UTC), 126 km (78 mi) below the surface.
A larger quake followed: M5.2 77 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-03-15 09:28:20 UTC
- Depth
- 125.5 km (78.0 mi), intermediate-depth
- Epicenter
- 17.923° S, 174.452° 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 10.0 km horizontally, 7.9 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 98°
- 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: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.2100 km NNE of Neiafu, Tonga · 1272 days ago · 41 km deep · 96 km away
- 5.277 km WNW of Neiafu, Tonga · 1260 days ago · 117 km deep · 69 km away · felt by 1
- 4.2137 km WNW of Neiafu, Tonga · 1252 days ago · 219 km deep · 98 km away
- 4.6189 km NW of Neiafu, Tonga · 1247 days ago · 257 km deep · 97 km away
- 4.166 km NW of Neiafu, Tonga · 1244 days ago · 134 km deep · 31 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000jk2b. Read Fri, Oct 2, 2026, 4:12 PM UTC.