M4.9 earthquake 81 km ENE of ‘Ohonua, Tonga
A magnitude 4.9 earthquake struck 81 km ENE of ‘Ohonua, Tonga on Mon, Nov 29, 2021, 3:55 AM GMT+13 (14:55 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.5 118 km E 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
- 4.9 (mb), light
- Local time
- UTC
- 2021-11-28 14:55:45 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.993° S, 174.249° 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 7.4 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- Operator assigned
- Station coverage gap
- 70°
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 10 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3114 km E of ‘Ohonua, Tonga · 1764 days ago · 10 km deep · 45 km away
- 5.3127 km ESE of ‘Ohonua, Tonga · 1760 days ago · 10 km deep · 89 km away
- 4.4112 km ESE of ‘Ohonua, Tonga · 1756 days ago · 10 km deep · 79 km away
- 5.167 km SE of ‘Ohonua, Tonga · 1747 days ago · 10 km deep · 94 km away
- 4.8150 km E of ‘Ohonua, Tonga · 1747 days ago · 10 km deep · 84 km away
- 5.5118 km E of ‘Ohonua, Tonga · 1738 days ago · 11 km deep · 68 km away
- 4.9109 km E of ‘Ohonua, Tonga · 1733 days ago · 10 km deep · 57 km away
- 4.5100 km ENE of ‘Ohonua, Tonga · 1732 days ago · 10 km deep · 20 km away
- 4.192 km E of ‘Ohonua, Tonga · 1729 days ago · 10 km deep · 29 km away
- 5.095 km SSE of Pangai, Tonga · 1723 days ago · 10 km deep · 59 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000g8gp. Read Wed, Sep 30, 2026, 12:21 PM UTC.