M4.1 earthquake 272 km SW of Houma, Tonga
A magnitude 4.1 earthquake struck 272 km SW of Houma, Tonga on Sat, Jul 1, 2023, 7:34 PM GMT+13 (06:34 UTC), 184 km (114 mi) below the surface.
A larger quake followed: M4.4 207 km SW of Houma, 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
- 2023-07-01 06:34:01 UTC
- Depth
- 184.1 km (114.4 mi), intermediate-depth
- Epicenter
- 23.088° S, 176.957° 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 16.5 km horizontally, 11.4 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 120°
- Stations used
- 13
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 8 in the 30 days before it.
After
- 4.3south of the Fiji Islands · 1187 days ago · 147 km deep · 95 km away
- 4.4207 km SW of Houma, Tonga · 1181 days ago · 10 km deep · 91 km away
- 4.4299 km SSW of Houma, Tonga · 1168 days ago · 10 km deep · 59 km away
- 4.2286 km SW of Houma, Tonga · 1145 days ago · 184 km deep · 53 km away
- 4.4south of the Fiji Islands · 1144 days ago · 156 km deep · 44 km away
Before
- 4.6south of the Fiji Islands · 1193 days ago · 121 km deep · 78 km away
- 3.7south of the Fiji Islands · 1204 days ago · 205 km deep · 56 km away
- 4.4267 km SW of Houma, Tonga · 1204 days ago · 153 km deep · 17 km away
- 7.2274 km SW of Houma, Tonga · 1207 days ago · 179 km deep · 19 km away · felt by 10 · tsunami flag
- 4.3south of the Fiji Islands · 1212 days ago · 10 km deep · 97 km away
- 4.6south of the Fiji Islands · 1212 days ago · 10 km deep · 68 km away
- 4.7south of the Fiji Islands · 1213 days ago · 11 km deep · 66 km away
- 5.1197 km SSW of Houma, Tonga · 1220 days ago · 80 km deep · 92 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000kelr. Read Sun, Oct 4, 2026, 8:47 AM UTC.