M4.5 earthquake 108 km NW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 108 km NW of Hihifo, Tonga on Tue, Aug 25, 2020, 5:34 AM GMT+13 (16:34 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.6 79 km NNW 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
- 4.5 (mb), light
- Local time
- UTC
- 2020-08-24 16:34:09 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.146° S, 174.363° 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 5.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- Operator assigned
- Station coverage gap
- 142°
- Stations used
- 12
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 5 in the 30 days before it.
After
- 5.679 km NNW of Hihifo, Tonga · 2228 days ago · 10 km deep · 34 km away
- 4.7102 km NNE of Hihifo, Tonga · 2222 days ago · 10 km deep · 96 km away
- 4.7106 km NNE of Hihifo, Tonga · 2205 days ago · 20 km deep · 97 km away
- 5.193 km NNW of Hihifo, Tonga · 2192 days ago · 10 km deep · 33 km away
- 4.8108 km W of Hihifo, Tonga · 2177 days ago · 10 km deep · 90 km away
- 4.668 km N of Hihifo, Tonga · 2174 days ago · 64 km deep · 71 km away
Before
- 4.6111 km NNE of Hihifo, Tonga · 2236 days ago · 10 km deep · 92 km away
- 4.831 km NNE of Hihifo, Tonga · 2238 days ago · 38 km deep · 93 km away · felt by 1
- 4.5Tonga · 2241 days ago · 104 km deep · 56 km away
- 4.5142 km NNW of Hihifo, Tonga · 2247 days ago · 268 km deep · 35 km away
- 4.2107 km WNW of Hihifo, Tonga · 2255 days ago · 277 km deep · 61 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000becd. Read Wed, Sep 30, 2026, 9:38 PM UTC.