M4.8 earthquake Tonga region
A magnitude 4.8 earthquake struck in the Tonga region on Mon, Nov 1, 2021, 4:45 PM GMT+13 (03:45 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.5 226 km S of ‘Ohonua, 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), light
- Local time
- UTC
- 2021-11-01 03:45:05 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.657° S, 175.222° 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 9.6 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 142°
- Stations used
- 44
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.2148 km SSE of ‘Ohonua, Tonga · 1787 days ago · 10 km deep · 66 km away
- 5.2152 km SSE of ‘Ohonua, Tonga · 1777 days ago · 10 km deep · 77 km away
- 4.9229 km SSW of ‘Ohonua, Tonga · 1768 days ago · 35 km deep · 87 km away
- 5.5226 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 83 km away
- 4.6229 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 96 km away
- 4.9220 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 71 km away
- 4.3204 km SSW of ‘Ohonua, Tonga · 1760 days ago · 68 km deep · 82 km away
- 4.9211 km S of ‘Ohonua, Tonga · 1740 days ago · 10 km deep · 62 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000frqq. Read Wed, Sep 30, 2026, 12:21 PM UTC.