M4.8 earthquake 82 km NW of Hihifo, Tonga
A magnitude 4.8 earthquake struck 82 km NW of Hihifo, Tonga on Sat, Sep 16, 2023, 6:04 AM GMT+13 (17:04 UTC), 184 km (114 mi) below the surface.
A larger quake followed: M5.5 65 km NW 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
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-09-15 17:04:30 UTC
- Depth
- 184.1 km (114.4 mi), intermediate-depth
- Epicenter
- 15.518° S, 174.422° 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 7.3 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 54°
- Stations used
- 94
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.637 km SW of Hihifo, Tonga · 1100 days ago · 112 km deep · 88 km away
- 4.90 km ENE of Hihifo, Tonga · 1100 days ago · 77 km deep · 83 km away
- 4.392 km WNW of Hihifo, Tonga · 1095 days ago · 190 km deep · 15 km away
- 5.565 km NW of Hihifo, Tonga · 1091 days ago · 10 km deep · 21 km away
- 4.4106 km WNW of Hihifo, Tonga · 1086 days ago · 173 km deep · 28 km away
- 4.280 km NNW of Hihifo, Tonga · 1082 days ago · 61 km deep · 58 km away
- 4.644 km W of Hihifo, Tonga · 1072 days ago · 146 km deep · 53 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000kw0c. Read Mon, Oct 5, 2026, 4:34 AM UTC.