M4.4 earthquake 276 km WSW of Haveluloto, Tonga
A magnitude 4.4 earthquake struck 276 km WSW of Haveluloto, Tonga on Sat, Mar 20, 2021, 2:26 PM GMT+13 (01:26 UTC), 316 km (197 mi) below the surface.
A larger quake followed: M6.5 207 km WSW of Haveluloto, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 2021-03-20 01:26:29 UTC
- Depth
- 316.4 km (196.6 mi), deep
- Epicenter
- 22.246° S, 177.616° 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 13.4 km horizontally, 10.1 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 174°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.4Fiji region · 2014 days ago · 398 km deep · 68 km away
- 6.5207 km WSW of Haveluloto, Tonga · 1982 days ago · 246 km deep · 85 km away · felt by 2
- 4.8238 km WSW of Haveluloto, Tonga · 1974 days ago · 352 km deep · 46 km away
- 5.1215 km WSW of Haveluloto, Tonga · 1961 days ago · 238 km deep · 81 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dwrj. Read Mon, Sep 28, 2026, 3:04 PM UTC.