M4.9 earthquake 0 km ENE of Hihifo, Tonga
A magnitude 4.9 earthquake struck 0 km ENE of Hihifo, Tonga on Mon, Oct 2, 2023, 1:54 AM GMT+13 (12:54 UTC), 77 km (48 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
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-10-01 12:54:14 UTC
- Depth
- 76.8 km (47.7 mi), intermediate-depth
- Epicenter
- 15.951° S, 173.790° 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 8.5 km horizontally, 7.1 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 62°
- Stations used
- 49
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 9 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.392 km WNW of Hihifo, Tonga · 1092 days ago · 190 km deep · 93 km away
- 4.465 km SSW of Hihifo, Tonga · 1091 days ago · 81 km deep · 66 km away
- 5.565 km NW of Hihifo, Tonga · 1088 days ago · 10 km deep · 66 km away
- 4.280 km NNW of Hihifo, Tonga · 1080 days ago · 61 km deep · 80 km away
- 4.460 km SSE of Hihifo, Tonga · 1070 days ago · 35 km deep · 60 km away
- 4.644 km W of Hihifo, Tonga · 1070 days ago · 146 km deep · 45 km away
- 4.499 km NW of Hihifo, Tonga · 1052 days ago · 194 km deep · 100 km away
- 4.791 km WSW of Hihifo, Tonga · 1049 days ago · 10 km deep · 92 km away
- 4.287 km WNW of Hihifo, Tonga · 1049 days ago · 160 km deep · 88 km away
Before
- 4.637 km SW of Hihifo, Tonga · 1098 days ago · 112 km deep · 39 km away
- 5.097 km NNE of Hihifo, Tonga · 1101 days ago · 16 km deep · 97 km away · felt by 1
- 4.322 km ESE of Hihifo, Tonga · 1112 days ago · 118 km deep · 22 km away
- 4.882 km NW of Hihifo, Tonga · 1113 days ago · 184 km deep · 83 km away
- 4.680 km SSW of Hihifo, Tonga · 1118 days ago · 136 km deep · 81 km away
- 4.569 km NE of Hihifo, Tonga · 1123 days ago · 57 km deep · 69 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000lc3c. Read Fri, Oct 2, 2026, 6:12 PM UTC.