M4.7 earthquake 148 km S of ‘Ohonua, Tonga
A magnitude 4.7 earthquake struck 148 km S of ‘Ohonua, Tonga on Mon, Nov 1, 2021, 3:53 PM GMT+13 (02:53 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
- 4.7 (mb), light
- Local time
- UTC
- 2021-11-01 02:53:36 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.671° S, 174.801° 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, 1.8 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- Operator assigned
- Station coverage gap
- 91°
- Stations used
- 49
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.8Tonga region · 1794 days ago · 10 km deep · 43 km away
- 4.2148 km SSE of ‘Ohonua, Tonga · 1787 days ago · 10 km deep · 23 km away
- 5.2152 km SSE of ‘Ohonua, Tonga · 1777 days ago · 10 km deep · 34 km away
- 5.5226 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 81 km away
- 4.6229 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 81 km away
- 4.9220 km S of ‘Ohonua, Tonga · 1762 days ago · 10 km deep · 89 km away
- 4.9211 km S of ‘Ohonua, Tonga · 1740 days ago · 10 km deep · 77 km away
Before
- 4.7246 km SSE of ‘Ohonua, Tonga · 1794 days ago · 10 km deep · 100 km away
- 4.5137 km SSE of ‘Ohonua, Tonga · 1795 days ago · 10 km deep · 47 km away
- 4.5201 km SSE of ‘Ohonua, Tonga · 1796 days ago · 10 km deep · 80 km away
- 5.0169 km S of ‘Ohonua, Tonga · 1798 days ago · 10 km deep · 25 km away
- 4.5139 km SSE of ‘Ohonua, Tonga · 1801 days ago · 10 km deep · 27 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000fqew. Read Wed, Sep 30, 2026, 9:38 AM UTC.