M4.1 earthquake 157 km NW of Pangai, Tonga
A magnitude 4.1 earthquake struck 157 km NW of Pangai, Tonga on Wed, Oct 7, 2020, 3:11 AM GMT+13 (14:11 UTC), 204 km (127 mi) below the surface.
A larger quake followed: M4.8 158 km W of Pangai, 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), light
- Local time
- UTC
- 2020-10-06 14:11:47 UTC
- Depth
- 204.0 km (126.7 mi), intermediate-depth
- Epicenter
- 18.992° S, 175.572° 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 9.1 km horizontally, 7.2 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 88°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3161 km NW of Pangai, Tonga · 2147 days ago · 212 km deep · 17 km away
- 4.8158 km W of Pangai, Tonga · 2127 days ago · 220 km deep · 94 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c734. Read Tue, Sep 29, 2026, 4:15 AM UTC.