M4.4 earthquake 126 km S of Hihifo, Tonga
A magnitude 4.4 earthquake struck 126 km S of Hihifo, Tonga on Thu, Aug 10, 2023, 4:17 AM GMT-12 (16:17 UTC), 108 km (67 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-08-10 16:17:56 UTC
- Depth
- 107.7 km (67.0 mi), intermediate-depth
- Epicenter
- 17.088° S, 173.982° 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 6.0 km horizontally, 9.1 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 126°
- Stations used
- 23
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.3151 km SSE of Hihifo, Tonga · 1148 days ago · 24 km deep · 67 km away
- 4.1171 km SW of Hihifo, Tonga · 1146 days ago · 250 km deep · 84 km away
- 4.5120 km S of Hihifo, Tonga · 1143 days ago · 140 km deep · 7 km away
- 4.890 km NNW of Neiafu, Tonga · 1142 days ago · 64 km deep · 97 km away
- 4.680 km SSW of Hihifo, Tonga · 1119 days ago · 136 km deep · 56 km away
- 4.1134 km S of Hihifo, Tonga · 1112 days ago · 141 km deep · 7 km away
- 4.3137 km SSW of Hihifo, Tonga · 1104 days ago · 197 km deep · 52 km away
- 4.637 km SW of Hihifo, Tonga · 1099 days ago · 112 km deep · 98 km away
- 4.465 km SSW of Hihifo, Tonga · 1092 days ago · 81 km deep · 68 km away
Before
- 4.6102 km SSE of Hihifo, Tonga · 1162 days ago · 50 km deep · 79 km away
- 4.3145 km SSW of Hihifo, Tonga · 1172 days ago · 128 km deep · 33 km away
- 4.2121 km SSW of Hihifo, Tonga · 1174 days ago · 136 km deep · 28 km away
- 4.5153 km SW of Hihifo, Tonga · 1174 days ago · 205 km deep · 96 km away
- 4.1127 km SSW of Hihifo, Tonga · 1176 days ago · 174 km deep · 53 km away
- 4.237 km SW of Hihifo, Tonga · 1179 days ago · 110 km deep · 99 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000kp1d. Read Sat, Oct 3, 2026, 2:37 PM UTC.