M5.1 earthquake 93 km NNW of Hihifo, Tonga
A magnitude 5.1 earthquake struck 93 km NNW of Hihifo, Tonga on Wed, Sep 30, 2020, 9:01 AM GMT+14 (19:01 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
- 5.1 (mww), moderate
- Local time
- UTC
- 2020-09-29 19:01:18 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.149° S, 174.055° 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 9.4 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 66°
- Stations used
- 107
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.6140 km NNE of Hihifo, Tonga · 2190 days ago · 10 km deep · 84 km away
- 4.668 km N of Hihifo, Tonga · 2174 days ago · 64 km deep · 41 km away
- 5.976 km NNE of Hihifo, Tonga · 2166 days ago · 39 km deep · 72 km away · felt by 9
- 4.783 km NE of Hihifo, Tonga · 2166 days ago · 35 km deep · 91 km away
- 4.284 km NNW of Hihifo, Tonga · 2163 days ago · 10 km deep · 19 km away
- 4.4107 km NNE of Hihifo, Tonga · 2155 days ago · 10 km deep · 75 km away
- 6.283 km NNE of Hihifo, Tonga · 2154 days ago · 34 km deep · 58 km away · felt by 13
- 4.917 km ENE of Hihifo, Tonga · 2145 days ago · 10 km deep · 94 km away
- 4.6112 km N of Hihifo, Tonga · 2141 days ago · 10 km deep · 24 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c2tc (also filed as iscgem619397402). Read Wed, Sep 30, 2026, 10:20 PM UTC.