M4.4 earthquake Tonga
A magnitude 4.4 earthquake struck in Tonga on Mon, May 24, 2021, 11:30 AM GMT+13 (22:30 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 131 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-05-23 22:30:40 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.762° S, 173.494° 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 11.4 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 86°
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 9 in the 30 days before it.
After
Before
- 5.068 km SE of Pangai, Tonga · 1959 days ago · 10 km deep · 73 km away
- 5.0111 km ENE of ‘Ohonua, Tonga · 1962 days ago · 10 km deep · 54 km away
- 4.9140 km SE of Pangai, Tonga · 1975 days ago · 10 km deep · 13 km away
- 4.5136 km SE of Pangai, Tonga · 1976 days ago · 10 km deep · 9 km away
- 5.1127 km SSE of Pangai, Tonga · 1977 days ago · 10 km deep · 25 km away
- 5.3134 km SE of Pangai, Tonga · 1977 days ago · 10 km deep · 8 km away
- 5.5117 km SSE of Pangai, Tonga · 1977 days ago · 10 km deep · 26 km away
- 4.669 km SSE of Pangai, Tonga · 1982 days ago · 35 km deep · 83 km away
- 5.0103 km SSE of Pangai, Tonga · 1983 days ago · 10 km deep · 44 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000efgm. Read Sat, Oct 3, 2026, 3:28 AM UTC.