M4.9 earthquake 165 km SE of ‘Ohonua, Tonga
A magnitude 4.9 earthquake struck 165 km SE of ‘Ohonua, Tonga on Tue, May 5, 2020, 5:43 AM GMT+13 (16:43 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M6.0 111 km SSE 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
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-05-04 16:43:02 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.227° S, 173.662° 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 5.3 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- Operator assigned
- Station coverage gap
- 97°
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 6.0111 km SSE of ‘Ohonua, Tonga · 2321 days ago · 10 km deep · 78 km away · felt by 3
- 4.5135 km SE of ‘Ohonua, Tonga · 2321 days ago · 10 km deep · 42 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us700099x6. Read Mon, Oct 5, 2026, 12:36 PM UTC.