M4.6 earthquake 122 km E of Neiafu, Tonga
A magnitude 4.6 earthquake struck 122 km E of Neiafu, Tonga on Sat, Dec 12, 2020, 6:32 AM GMT+13 (17:32 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 127 km ESE of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 2020-12-11 17:32:31 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.745° S, 172.822° 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 10.0 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- Operator assigned
- Station coverage gap
- 106°
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.6134 km E of Neiafu, Tonga · 2106 days ago · 10 km deep · 13 km away
- 5.1127 km ESE of Neiafu, Tonga · 2096 days ago · 10 km deep · 35 km away
- 5.1144 km ESE of Neiafu, Tonga · 2059 days ago · 10 km deep · 32 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000crkd. Read Wed, Sep 30, 2026, 3:48 AM UTC.