M4.2 earthquake 84 km NNW of Hihifo, Tonga
A magnitude 4.2 earthquake struck 84 km NNW of Hihifo, Tonga on Thu, Oct 29, 2020, 5:05 PM GMT+14 (03:05 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M6.2 83 km NNE 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), light
- Local time
- UTC
- 2020-10-29 03:05:07 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.280° S, 174.168° 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 8.2 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 163°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.4107 km NNE of Hihifo, Tonga · 2155 days ago · 10 km deep · 89 km away
- 6.283 km NNE of Hihifo, Tonga · 2154 days ago · 34 km deep · 69 km away · felt by 13
- 4.917 km ENE of Hihifo, Tonga · 2145 days ago · 10 km deep · 89 km away
- 4.6112 km N of Hihifo, Tonga · 2141 days ago · 10 km deep · 43 km away
- 4.7101 km NNE of Hihifo, Tonga · 2131 days ago · 8 km deep · 76 km away
- 4.3102 km WNW of Hihifo, Tonga · 2128 days ago · 279 km deep · 60 km away
- 4.313 km SE of Hihifo, Tonga · 2103 days ago · 98 km deep · 97 km away
Before
- 4.783 km NE of Hihifo, Tonga · 2166 days ago · 35 km deep · 99 km away
- 5.976 km NNE of Hihifo, Tonga · 2166 days ago · 39 km deep · 80 km away · felt by 9
- 4.668 km N of Hihifo, Tonga · 2174 days ago · 64 km deep · 47 km away
- 4.8108 km W of Hihifo, Tonga · 2177 days ago · 10 km deep · 92 km away
- 5.193 km NNW of Hihifo, Tonga · 2192 days ago · 10 km deep · 19 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ca82. Read Wed, Sep 30, 2026, 10:20 PM UTC.