M4.4 earthquake 65 km SSW of Hihifo, Tonga
A magnitude 4.4 earthquake struck 65 km SSW of Hihifo, Tonga on Sun, Oct 8, 2023, 4:09 AM GMT+13 (15:09 UTC), 81 km (50 mi) below the surface.
A larger quake followed: M5.0 104 km W 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
- 2023-10-07 15:09:46 UTC
- Depth
- 81.2 km (50.4 mi), intermediate-depth
- Epicenter
- 16.481° S, 174.068° 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 4.6 km horizontally, 8.1 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 61°
- Stations used
- 21
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 6 in the 30 days before it.
After
- 4.460 km SSE of Hihifo, Tonga · 1071 days ago · 35 km deep · 59 km away
- 4.644 km W of Hihifo, Tonga · 1070 days ago · 146 km deep · 61 km away
- 4.791 km WSW of Hihifo, Tonga · 1049 days ago · 10 km deep · 58 km away
- 5.0104 km W of Hihifo, Tonga · 1044 days ago · 277 km deep · 97 km away
- 4.4139 km SSW of Hihifo, Tonga · 1033 days ago · 89 km deep · 75 km away
Before
- 4.90 km ENE of Hihifo, Tonga · 1097 days ago · 77 km deep · 66 km away
- 4.637 km SW of Hihifo, Tonga · 1098 days ago · 112 km deep · 30 km away
- 4.3137 km SSW of Hihifo, Tonga · 1103 days ago · 197 km deep · 73 km away
- 4.1134 km S of Hihifo, Tonga · 1111 days ago · 141 km deep · 75 km away
- 4.322 km ESE of Hihifo, Tonga · 1112 days ago · 118 km deep · 67 km away
- 4.680 km SSW of Hihifo, Tonga · 1118 days ago · 136 km deep · 15 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000leug. Read Fri, Oct 2, 2026, 7:53 PM UTC.