M4.3 earthquake 106 km WSW of Pangai, Tonga
A magnitude 4.3 earthquake struck 106 km WSW of Pangai, Tonga on Wed, Jul 29, 2015, 4:17 PM GMT+13 (03:17 UTC), 231 km (144 mi) below the surface.
A larger quake followed: M5.6 55 km WNW of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-07-29 03:17:12 UTC
- Depth
- 231.1 km (143.6 mi), intermediate-depth
- Epicenter
- 20.060° S, 175.335° 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, 8.7 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 114°
- Stations used
- 21
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.669 km N of Nuku‘alofa, Tonga · 4085 days ago · 115 km deep · 51 km away
- 4.4102 km W of Pangai, Tonga · 4080 days ago · 209 km deep · 30 km away
- 4.5131 km W of Pangai, Tonga · 4078 days ago · 230 km deep · 38 km away
- 4.9147 km WNW of Pangai, Tonga · 4076 days ago · 10 km deep · 70 km away
- 5.655 km WNW of Pangai, Tonga · 4074 days ago · 46 km deep · 69 km away · felt by 2
- 4.455 km NNE of Kolonga, Tonga · 4041 days ago · 146 km deep · 86 km away
- 4.394 km WNW of Pangai, Tonga · 4033 days ago · 186 km deep · 76 km away
- 4.4148 km W of Pangai, Tonga · 4033 days ago · 183 km deep · 56 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000333c. Read Mon, Oct 5, 2026, 2:03 AM UTC.