M4.5 earthquake 232 km W of Hihifo, Tonga
A magnitude 4.5 earthquake struck 232 km W of Hihifo, Tonga on Wed, Dec 29, 2021, 10:14 PM GMT-12 (10:14 UTC), 358 km (222 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 2021-12-30 10:14:48 UTC
- Depth
- 357.6 km (222.2 mi), deep
- Epicenter
- 16.230° S, 175.948° 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 9.9 km horizontally, 6.1 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 112°
- Stations used
- 74
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000g7xu. Read Wed, Sep 30, 2026, 11:34 AM UTC.