M4.4 earthquake 120 km NNE of Hihifo, Tonga
A magnitude 4.4 earthquake struck 120 km NNE of Hihifo, Tonga on Wed, Aug 9, 2023, 8:14 AM GMT+13 (19:14 UTC), 37 km (23 mi) below the surface.
A larger quake followed: M5.0 97 km NNE of Hihifo, 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
- 2023-08-08 19:14:42 UTC
- Depth
- 37.1 km (23.0 mi), shallow
- Epicenter
- 14.937° S, 173.399° 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 9.5 km horizontally, 11.6 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
- Station coverage gap
- 155°
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.5141 km NE of Hihifo, Tonga · 1140 days ago · 10 km deep · 82 km away
- 4.4118 km NE of Hihifo, Tonga · 1139 days ago · 10 km deep · 33 km away
- 4.6Tonga · 1133 days ago · 67 km deep · 52 km away
- 4.5138 km N of Hihifo, Tonga · 1131 days ago · 10 km deep · 43 km away
- 4.5111 km NNE of Hihifo, Tonga · 1126 days ago · 10 km deep · 13 km away
- 4.569 km NE of Hihifo, Tonga · 1123 days ago · 57 km deep · 58 km away
- 5.097 km NNE of Hihifo, Tonga · 1101 days ago · 16 km deep · 24 km away · felt by 1
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000knpu. Read Fri, Oct 2, 2026, 2:05 PM UTC.