M4.3 earthquake 50 km NNE of Kolonga, Tonga
A magnitude 4.3 earthquake struck 50 km NNE of Kolonga, Tonga on Sat, Jun 22, 2019, 10:23 PM GMT+13 (09:23 UTC), 139 km (87 mi) below the surface.
A larger quake followed: M4.5 81 km WSW 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
- 2019-06-22 09:23:53 UTC
- Depth
- 139.2 km (86.5 mi), intermediate-depth
- Epicenter
- 20.700° S, 174.924° 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 10.0 km horizontally, 11.8 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 139°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.581 km WSW of Pangai, Tonga · 2641 days ago · 186 km deep · 85 km away
- 4.3121 km NNW of Nuku‘alofa, Tonga · 2603 days ago · 231 km deep · 98 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us700046t4. Read Sat, Oct 3, 2026, 3:45 AM UTC.