M4.9 earthquake 74 km NE of Kolonga, Tonga
A magnitude 4.9 earthquake struck 74 km NE of Kolonga, Tonga on Thu, Mar 5, 2020, 10:09 PM GMT+13 (09:09 UTC), 35 km (22 mi) below the surface.
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
- 2020-03-05 09:09:28 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 20.668° S, 174.550° W
- Region
- Tonga
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.4 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 38°
- Stations used
- 77
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.594 km ENE of Kolonga, Tonga · 2381 days ago · 64 km deep · 29 km away
- 4.6118 km ENE of ‘Ohonua, Tonga · 2381 days ago · 10 km deep · 70 km away
- 4.720 km NNW of Nuku‘alofa, Tonga · 2348 days ago · 10 km deep · 87 km away · felt by 2
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60008a2a. Read Sun, Oct 4, 2026, 9:14 AM UTC.