M4.5 earthquake 136 km SE of Pangai, Tonga
A magnitude 4.5 earthquake struck 136 km SE of Pangai, Tonga on Thu, May 6, 2021, 8:23 PM GMT+13 (07:23 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.0 111 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-05-06 07:23:59 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.800° S, 173.572° 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 7.9 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 86°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.9140 km SE of Pangai, Tonga · 1975 days ago · 10 km deep · 6 km away
- 5.0111 km ENE of ‘Ohonua, Tonga · 1962 days ago · 10 km deep · 45 km away
- 5.068 km SE of Pangai, Tonga · 1959 days ago · 10 km deep · 73 km away
- 4.4Tonga · 1958 days ago · 10 km deep · 9 km away
- 4.9131 km ENE of ‘Ohonua, Tonga · 1948 days ago · 10 km deep · 33 km away
Before
- 5.1127 km SSE of Pangai, Tonga · 1977 days ago · 10 km deep · 17 km away
- 5.3134 km SE of Pangai, Tonga · 1977 days ago · 10 km deep · 16 km away
- 5.5117 km SSE of Pangai, Tonga · 1977 days ago · 10 km deep · 21 km away
- 4.669 km SSE of Pangai, Tonga · 1982 days ago · 35 km deep · 78 km away
- 5.0103 km SSE of Pangai, Tonga · 1983 days ago · 10 km deep · 38 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e2dh. Read Sat, Oct 3, 2026, 3:29 AM UTC.