M4.8 earthquake 120 km ESE of Pangai, Tonga
A magnitude 4.8 earthquake struck 120 km ESE of Pangai, Tonga on Thu, Oct 20, 2022, 1:37 PM GMT+13 (00:37 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 98 km SE 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
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-10-20 00:37:20 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.147° S, 173.259° 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 6.8 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 82°
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000iwbq. Read Fri, Oct 2, 2026, 7:14 AM UTC.