M4.1 earthquake 222 km SW of Haveluloto, Tonga
A magnitude 4.1 earthquake struck 222 km SW of Haveluloto, Tonga on Mon, Oct 5, 2020, 11:49 AM GMT+13 (22:49 UTC), 165 km (102 mi) below the surface.
A larger quake followed: M5.2 150 km SW of Vaini, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-10-04 22:49:15 UTC
- Depth
- 164.6 km (102.3 mi), intermediate-depth
- Epicenter
- 22.386° S, 176.909° 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 13.9 km horizontally, 8.9 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 153°
- 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: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3242 km WSW of Haveluloto, Tonga · 2190 days ago · 224 km deep · 27 km away
- 4.7135 km WSW of Haveluloto, Tonga · 2183 days ago · 89 km deep · 92 km away
- 4.2284 km SW of Vaini, Tonga · 2181 days ago · 160 km deep · 64 km away
- 4.1196 km SW of Haveluloto, Tonga · 2151 days ago · 224 km deep · 26 km away
- 5.2150 km SW of Vaini, Tonga · 2139 days ago · 65 km deep · 78 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c6tl. Read Sat, Oct 3, 2026, 8:56 PM UTC.