M4.9 earthquake 113 km ESE of Pangai, Tonga
A magnitude 4.9 earthquake struck 113 km ESE of Pangai, Tonga on Sat, Apr 29, 2017, 9:50 PM GMT+13 (08:50 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 131 km ESE 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
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-04-29 08:50:13 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.152° S, 173.332° 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 10.5 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 88°
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.1131 km ESE of Pangai, Tonga · 3435 days ago · 10 km deep · 29 km away
- 4.586 km E of Pangai, Tonga · 3435 days ago · 10 km deep · 31 km away
- 4.536 km E of Pangai, Tonga · 3426 days ago · 14 km deep · 80 km away
- 4.8101 km E of Pangai, Tonga · 3412 days ago · 10 km deep · 48 km away
- 4.6112 km SE of Pangai, Tonga · 3386 days ago · 10 km deep · 56 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008lz3. Read Mon, Oct 5, 2026, 1:34 AM UTC.