M4.5 earthquake 180 km SW of Vaini, Tonga
A magnitude 4.5 earthquake struck 180 km SW of Vaini, Tonga on Sun, May 10, 2015, 8:17 PM GMT+13 (07:17 UTC), 106 km (66 mi) below the surface.
A larger quake followed: M5.1 166 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-05-10 07:17:58 UTC
- Depth
- 106.1 km (65.9 mi), intermediate-depth
- Epicenter
- 22.418° S, 176.330° 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 11.5 km horizontally, 6.3 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 45°
- Stations used
- 59
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
- 5.1166 km WSW of Haveluloto, Tonga · 4161 days ago · 137 km deep · 54 km away
- 4.4207 km SW of Vaini, Tonga · 4159 days ago · 154 km deep · 36 km away
- 5.0226 km SW of ‘Ohonua, Tonga · 4136 days ago · 35 km deep · 66 km away
- 4.0266 km SW of Vaini, Tonga · 4132 days ago · 223 km deep · 91 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20002e6c. Read Mon, Oct 5, 2026, 1:11 PM UTC.