M4.9 earthquake 53 km SW of Haveluloto, Tonga
A magnitude 4.9 earthquake struck 53 km SW of Haveluloto, Tonga on Fri, Aug 12, 2016, 6:02 PM GMT+13 (05:02 UTC), 85 km (53 mi) below the surface.
A larger quake followed: M5.2 97 km SW of ‘Ohonua, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-08-12 05:02:39 UTC
- Depth
- 84.8 km (52.7 mi), intermediate-depth
- Epicenter
- 21.454° S, 175.616° 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 9.6 km horizontally, 6.6 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 67°
- Stations used
- 90
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.297 km SW of ‘Ohonua, Tonga · 3684 days ago · 10 km deep · 65 km away · felt by 1
- 4.543 km NW of Nuku‘alofa, Tonga · 3653 days ago · 10 km deep · 67 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006d77. Read Sat, Oct 3, 2026, 9:26 AM UTC.