M4.5 earthquake 183 km NW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 183 km NW of Neiafu, Tonga on Sun, Jul 23, 2023, 2:14 AM GMT-12 (14:14 UTC), 276 km (172 mi) below the surface.
A larger quake followed: M4.8 90 km NNW 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
- 2023-07-23 14:14:20 UTC
- Depth
- 276.1 km (171.5 mi), intermediate-depth
- Epicenter
- 17.319° S, 175.014° 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 10.7 km horizontally, 13.5 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 100°
- Stations used
- 19
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 9 in the 30 days before it.
After
- 4.4202 km WSW of Hihifo, Tonga · 1158 days ago · 238 km deep · 81 km away
- 4.3156 km NW of Neiafu, Tonga · 1153 days ago · 229 km deep · 46 km away
- 4.5186 km NW of Neiafu, Tonga · 1147 days ago · 275 km deep · 39 km away
- 4.1171 km SW of Hihifo, Tonga · 1145 days ago · 250 km deep · 30 km away
- 4.890 km NNW of Neiafu, Tonga · 1141 days ago · 64 km deep · 97 km away
- 4.2169 km NW of Neiafu, Tonga · 1118 days ago · 260 km deep · 26 km away
Before
- 4.1162 km NW of Neiafu, Tonga · 1171 days ago · 221 km deep · 34 km away
- 4.7141 km WNW of Neiafu, Tonga · 1171 days ago · 214 km deep · 95 km away
- 4.3145 km SSW of Hihifo, Tonga · 1172 days ago · 128 km deep · 80 km away
- 4.2121 km SSW of Hihifo, Tonga · 1173 days ago · 136 km deep · 93 km away
- 4.5153 km SW of Hihifo, Tonga · 1174 days ago · 205 km deep · 51 km away
- 4.1127 km SSW of Hihifo, Tonga · 1175 days ago · 174 km deep · 74 km away
- 4.3159 km NW of Neiafu, Tonga · 1180 days ago · 223 km deep · 40 km away
- 4.4164 km NW of Neiafu, Tonga · 1188 days ago · 222 km deep · 20 km away
- 6.9132 km NW of Neiafu, Tonga · 1188 days ago · 229 km deep · 63 km away · felt by 21 · tsunami flag
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000khtl. Read Fri, Oct 2, 2026, 7:17 PM UTC.