M4.9 earthquake 105 km ESE of Pangai, Tonga
A magnitude 4.9 earthquake struck 105 km ESE of Pangai, Tonga on Sun, Sep 4, 2016, 10:04 AM GMT+13 (21:04 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M5.0 127 km E 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
- 2016-09-03 21:04:07 UTC
- Depth
- 21.2 km (13.2 mi), shallow
- Epicenter
- 20.154° S, 173.412° 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 8.7 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 80°
- Stations used
- 76
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3105 km ESE of Pangai, Tonga · 3680 days ago · 6 km deep · 11 km away
- 4.6Tonga · 3674 days ago · 35 km deep · 73 km away
- 5.0127 km E of Pangai, Tonga · 3673 days ago · 35 km deep · 57 km away
- 4.882 km E of Pangai, Tonga · 3663 days ago · 48 km deep · 42 km away
- 4.555 km SSE of Pangai, Tonga · 3661 days ago · 35 km deep · 79 km away
- 4.8119 km SSE of Pangai, Tonga · 3658 days ago · 10 km deep · 75 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006k64. Read Sun, Oct 4, 2026, 8:42 AM UTC.