M4.2 earthquake 118 km WNW of Hihifo, Tonga
A magnitude 4.2 earthquake struck 118 km WNW of Hihifo, Tonga on Wed, Aug 2, 2023, 12:11 AM GMT+13 (11:11 UTC), 177 km (110 mi) below the surface.
A larger quake followed: M4.8 82 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-08-01 11:11:47 UTC
- Depth
- 176.5 km (109.7 mi), intermediate-depth
- Epicenter
- 15.370° S, 174.720° 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 10.2 km horizontally, 6.0 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 104°
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 9 in the 30 days before it.
After
- 4.581 km NNW of Hihifo, Tonga · 1152 days ago · 138 km deep · 79 km away
- 4.5113 km WNW of Hihifo, Tonga · 1152 days ago · 192 km deep · 6 km away
- 4.6Tonga · 1134 days ago · 67 km deep · 98 km away
- 4.488 km WNW of Hihifo, Tonga · 1129 days ago · 207 km deep · 32 km away
- 4.0159 km WNW of Hihifo, Tonga · 1118 days ago · 289 km deep · 42 km away
- 4.882 km NW of Hihifo, Tonga · 1114 days ago · 184 km deep · 36 km away
Before
- 4.5Tonga · 1172 days ago · 206 km deep · 21 km away
- 4.1Tonga · 1173 days ago · 164 km deep · 20 km away
- 4.289 km WNW of Hihifo, Tonga · 1176 days ago · 138 km deep · 45 km away
- 4.4124 km NW of Hihifo, Tonga · 1177 days ago · 205 km deep · 37 km away
- 4.4101 km WNW of Hihifo, Tonga · 1177 days ago · 180 km deep · 18 km away
- 4.3106 km WNW of Hihifo, Tonga · 1179 days ago · 285 km deep · 31 km away
- 4.4185 km SE of Mata-Utu, Wallis and Futuna · 1181 days ago · 10 km deep · 94 km away
- 4.277 km N of Hihifo, Tonga · 1184 days ago · 35 km deep · 93 km away
- 4.259 km NNW of Hihifo, Tonga · 1189 days ago · 171 km deep · 69 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000kzb1. Read Sat, Oct 3, 2026, 8:58 PM UTC.