M4.5 earthquake 56 km NE of Kolonga, Tonga
A magnitude 4.5 earthquake struck 56 km NE of Kolonga, Tonga on Tue, Apr 23, 2019, 1:32 PM GMT+13 (00:32 UTC), 74 km (46 mi) below the surface.
A larger quake followed: M6.1 82 km ENE 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-04-23 00:32:42 UTC
- Depth
- 74.1 km (46.1 mi), intermediate-depth
- Epicenter
- 20.727° S, 174.744° 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 11.8 km horizontally, 4.2 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 77°
- Stations used
- 18
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
- 4.656 km E of ‘Ohonua, Tonga · 2717 days ago · 10 km deep · 83 km away
- 5.146 km E of ‘Ohonua, Tonga · 2717 days ago · 10 km deep · 64 km away
- 4.983 km ENE of ‘Ohonua, Tonga · 2681 days ago · 10 km deep · 71 km away
- 5.091 km WSW of Pangai, Tonga · 2679 days ago · 76 km deep · 88 km away
- 5.496 km E of ‘Ohonua, Tonga · 2670 days ago · 10 km deep · 89 km away
- 6.182 km ENE of ‘Ohonua, Tonga · 2668 days ago · 13 km deep · 78 km away
- 4.5108 km ENE of ‘Ohonua, Tonga · 2667 days ago · 10 km deep · 96 km away
- 5.0105 km E of ‘Ohonua, Tonga · 2662 days ago · 10 km deep · 97 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70003fsp. Read Sun, Oct 4, 2026, 10:32 PM UTC.