M4.6 earthquake 37 km SW of Hihifo, Tonga
A magnitude 4.6 earthquake struck 37 km SW of Hihifo, Tonga on Sun, Oct 1, 2023, 8:14 AM GMT+13 (19:14 UTC), 112 km (69 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-09-30 19:14:05 UTC
- Depth
- 111.7 km (69.4 mi), intermediate-depth
- Epicenter
- 16.210° S, 174.029° 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 13.3 km horizontally, 5.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 120°
- Stations used
- 72
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.90 km ENE of Hihifo, Tonga · 1097 days ago · 77 km deep · 39 km away
- 4.392 km WNW of Hihifo, Tonga · 1093 days ago · 190 km deep · 92 km away
- 4.465 km SSW of Hihifo, Tonga · 1091 days ago · 81 km deep · 30 km away
- 5.565 km NW of Hihifo, Tonga · 1089 days ago · 10 km deep · 78 km away
- 4.460 km SSE of Hihifo, Tonga · 1071 days ago · 35 km deep · 60 km away
- 4.644 km W of Hihifo, Tonga · 1070 days ago · 146 km deep · 35 km away
- 4.791 km WSW of Hihifo, Tonga · 1049 days ago · 10 km deep · 59 km away
- 4.287 km WNW of Hihifo, Tonga · 1049 days ago · 160 km deep · 81 km away
- 5.0104 km W of Hihifo, Tonga · 1044 days ago · 277 km deep · 85 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000lbye. Read Sat, Oct 3, 2026, 12:08 AM UTC.