M4.6 earthquake 35 km E of Neiafu, Tonga
A magnitude 4.6 earthquake struck 35 km E of Neiafu, Tonga on Thu, Apr 9, 2020, 11:41 PM GMT+13 (10:41 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.0 120 km ESE of Neiafu, 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), light
- Local time
- UTC
- 2020-04-09 10:41:23 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 18.712° S, 173.650° 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 5.8 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 103°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.651 km WNW of Neiafu, Tonga · 2356 days ago · 89 km deep · 87 km away
- 5.0120 km ESE of Neiafu, Tonga · 2352 days ago · 10 km deep · 85 km away
- 4.641 km SW of Neiafu, Tonga · 2330 days ago · 18 km deep · 69 km away
- 4.9126 km ESE of Neiafu, Tonga · 2326 days ago · 10 km deep · 92 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70008xlp. Read Thu, Oct 1, 2026, 1:43 AM UTC.