M4.6 earthquake 116 km E of ‘Ohonua, Tonga
A magnitude 4.6 earthquake struck 116 km E of ‘Ohonua, Tonga on Wed, Sep 2, 2020, 11:51 AM GMT+13 (22:51 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.5 127 km SE 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-09-01 22:51:28 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.216° S, 173.839° 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 15.0 km horizontally, 1.7 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- Operator assigned
- Station coverage gap
- 99°
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.5127 km SE of Pangai, Tonga · 2217 days ago · 10 km deep · 63 km away
- 4.7127 km ENE of ‘Ohonua, Tonga · 2202 days ago · 10 km deep · 27 km away
- 4.2171 km E of ‘Ohonua, Tonga · 2193 days ago · 10 km deep · 59 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000bhux. Read Fri, Oct 2, 2026, 10:13 PM UTC.