M4.6 earthquake 20 km NNE of Kolonga, Tonga
A magnitude 4.6 earthquake struck 20 km NNE of Kolonga, Tonga on Thu, Jun 19, 2025, 3:28 PM GMT+13 (02:28 UTC), 42 km (26 mi) below the surface.
A larger quake followed: M5.5 77 km NE 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-06-19 02:28:12 UTC
- Depth
- 41.9 km (26.0 mi), shallow
- Epicenter
- 20.957° S, 174.997° 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 13.3 km horizontally, 6.9 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 102°
- Stations used
- 51
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 1 in the 30 days before it.
After
- 4.698 km SSE of Pangai, Tonga · 468 days ago · 10 km deep · 93 km away
- 4.366 km NE of ‘Ohonua, Tonga · 465 days ago · 35 km deep · 59 km away
- 5.577 km NE of ‘Ohonua, Tonga · 455 days ago · 10 km deep · 67 km away
- 5.076 km S of Pangai, Tonga · 447 days ago · 35 km deep · 90 km away
- 4.530 km W of Houma, Tonga · 443 days ago · 125 km deep · 67 km away · felt by 9
- 5.054 km NNW of Houma, Tonga · 421 days ago · 10 km deep · 58 km away · felt by 2
- 4.518 km SSW of Vaini, Tonga · 415 days ago · 10 km deep · 50 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000ql5w. Read Mon, Oct 5, 2026, 7:38 AM UTC.