M4.6 earthquake 140 km NNE of Hihifo, Tonga
A magnitude 4.6 earthquake struck 140 km NNE of Hihifo, Tonga on Fri, Oct 2, 2020, 7:36 PM GMT+14 (05:36 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
- 4.6 (mb), light
- Local time
- UTC
- 2020-10-02 05:36:56 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 14.749° S, 173.388° 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 6.6 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- Operator assigned
- Station coverage gap
- 118°
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 8 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.668 km N of Hihifo, Tonga · 2174 days ago · 64 km deep · 75 km away
- 5.976 km NNE of Hihifo, Tonga · 2167 days ago · 39 km deep · 68 km away · felt by 9
- 4.783 km NE of Hihifo, Tonga · 2167 days ago · 35 km deep · 75 km away
- 4.4107 km NNE of Hihifo, Tonga · 2156 days ago · 10 km deep · 37 km away
- 6.283 km NNE of Hihifo, Tonga · 2154 days ago · 34 km deep · 57 km away · felt by 13
- 4.6112 km N of Hihifo, Tonga · 2141 days ago · 10 km deep · 65 km away
- 4.4129 km NE of Hihifo, Tonga · 2135 days ago · 10 km deep · 43 km away
- 4.7101 km NNE of Hihifo, Tonga · 2131 days ago · 8 km deep · 39 km away
Before
- 5.193 km NNW of Hihifo, Tonga · 2192 days ago · 10 km deep · 84 km away
- 4.3108 km NNE of Hihifo, Tonga · 2197 days ago · 10 km deep · 33 km away
- 4.7106 km NNE of Hihifo, Tonga · 2205 days ago · 20 km deep · 34 km away
- 4.0121 km NNE of Hihifo, Tonga · 2205 days ago · 35 km deep · 20 km away
- 4.7109 km NE of Hihifo, Tonga · 2207 days ago · 10 km deep · 78 km away
- 5.4123 km NE of Hihifo, Tonga · 2214 days ago · 25 km deep · 64 km away · felt by 2
- 4.181 km NE of Hihifo, Tonga · 2216 days ago · 10 km deep · 67 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c6pa. Read Thu, Oct 1, 2026, 1:37 AM UTC.