M4.6 earthquake 82 km SE of Pangai, Tonga
A magnitude 4.6 earthquake struck 82 km SE of Pangai, Tonga on Fri, Jul 3, 2015, 10:22 PM GMT+13 (09:22 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.8 75 km NE of Kolonga, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-07-03 09:22:58 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.434° S, 173.911° 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 7.1 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- Operator assigned
- Station coverage gap
- 131°
- Stations used
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.875 km NE of Kolonga, Tonga · 4109 days ago · 44 km deep · 69 km away · felt by 9
- 4.969 km NE of Kolonga, Tonga · 4109 days ago · 35 km deep · 75 km away
- 4.880 km ENE of Kolonga, Tonga · 4109 days ago · 35 km deep · 63 km away
- 5.1102 km ENE of ‘Ohonua, Tonga · 4109 days ago · 10 km deep · 79 km away
- 4.4100 km ENE of ‘Ohonua, Tonga · 4108 days ago · 10 km deep · 77 km away
- 4.073 km NE of Kolonga, Tonga · 4089 days ago · 430 km deep · 72 km away
- 4.6158 km SE of Pangai, Tonga · 4064 days ago · 8 km deep · 81 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20002yy9. Read Mon, Oct 5, 2026, 7:38 AM UTC.