M4.4 earthquake 276 km WSW of Haveluloto, Tonga
A magnitude 4.4 earthquake struck 276 km WSW of Haveluloto, Tonga on Sat, Feb 24, 2018, 8:32 AM GMT+13 (19:32 UTC), 370 km (230 mi) below the surface.
A larger quake followed: M4.7 290 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
- 2018-02-23 19:32:09 UTC
- Depth
- 369.7 km (229.7 mi), deep
- Epicenter
- 21.988° S, 177.724° 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, 8.8 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 103°
- Stations used
- 45
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3south of the Fiji Islands · 3129 days ago · 360 km deep · 56 km away
- 4.6Fiji region · 3106 days ago · 456 km deep · 77 km away
- 4.7290 km WSW of Haveluloto, Tonga · 3089 days ago · 347 km deep · 16 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000db55. Read Wed, Sep 30, 2026, 3:17 PM UTC.