M4.6 earthquake 69 km SSE of Pangai, Tonga
A magnitude 4.6 earthquake struck 69 km SSE of Pangai, Tonga on Fri, Apr 30, 2021, 6:40 AM GMT+13 (17:40 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.5 117 km SSE 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
- 2021-04-29 17:40:11 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 20.422° S, 174.205° 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 12.6 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- Operator assigned
- Station coverage gap
- 156°
- Stations used
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.5117 km SSE of Pangai, Tonga · 1977 days ago · 10 km deep · 57 km away
- 5.3134 km SE of Pangai, Tonga · 1977 days ago · 10 km deep · 83 km away
- 5.1127 km SSE of Pangai, Tonga · 1977 days ago · 10 km deep · 65 km away
- 4.5136 km SE of Pangai, Tonga · 1975 days ago · 10 km deep · 78 km away
- 4.9140 km SE of Pangai, Tonga · 1975 days ago · 10 km deep · 81 km away
- 5.0111 km ENE of ‘Ohonua, Tonga · 1962 days ago · 10 km deep · 74 km away
- 5.068 km SE of Pangai, Tonga · 1959 days ago · 10 km deep · 46 km away
- 4.4Tonga · 1958 days ago · 10 km deep · 83 km away
- 4.9131 km ENE of ‘Ohonua, Tonga · 1947 days ago · 10 km deep · 87 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e0q4. Read Fri, Oct 2, 2026, 6:27 PM UTC.