M4.9 earthquake 114 km E of ‘Ohonua, Tonga
A magnitude 4.9 earthquake struck 114 km E of ‘Ohonua, Tonga on Fri, Jan 10, 2020, 1:39 PM GMT+13 (00:39 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.6 62 km SSE 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-01-10 00:39:29 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.519° S, 173.861° 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 11.0 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 77°
- Stations used
- 71
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.583 km SSE of ‘Ohonua, Tonga · 2415 days ago · 10 km deep · 86 km away
- 5.662 km SSE of ‘Ohonua, Tonga · 2415 days ago · 10 km deep · 89 km away
- 4.4117 km E of ‘Ohonua, Tonga · 2406 days ago · 10 km deep · 3 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70006xbq. Read Sat, Oct 3, 2026, 2:39 PM UTC.