M4.5 earthquake 143 km WSW of Haveluloto, Tonga
A magnitude 4.5 earthquake struck 143 km WSW of Haveluloto, Tonga on Thu, Aug 11, 2016, 3:41 PM GMT+13 (02:41 UTC), 128 km (79 mi) below the surface.
A larger quake followed: M4.9 53 km SW 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-08-11 02:41:31 UTC
- Depth
- 127.7 km (79.3 mi), intermediate-depth
- Epicenter
- 21.527° S, 176.536° 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 13.0 km horizontally, 10.5 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 110°
- Stations used
- 10
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
- 4.953 km SW of Haveluloto, Tonga · 3705 days ago · 85 km deep · 96 km away
- 4.4171 km WSW of Haveluloto, Tonga · 3667 days ago · 206 km deep · 31 km away
- 4.2202 km WSW of Haveluloto, Tonga · 3649 days ago · 561 km deep · 60 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006e2v. Read Sun, Oct 4, 2026, 12:18 AM UTC.