M4.4 earthquake 91 km WNW of Pangai, Tonga
A magnitude 4.4 earthquake struck 91 km WNW of Pangai, Tonga on Thu, Nov 23, 2017, 5:01 AM GMT+13 (16:01 UTC), 196 km (122 mi) below the surface.
A larger quake followed: M4.5 68 km WNW 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-11-22 16:01:25 UTC
- Depth
- 195.7 km (121.6 mi), intermediate-depth
- Epicenter
- 19.387° S, 175.103° 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 13.6 km horizontally, 12.8 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 93°
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.3125 km W of Pangai, Tonga · 3224 days ago · 223 km deep · 68 km away
- 4.568 km WNW of Pangai, Tonga · 3209 days ago · 187 km deep · 31 km away
- 4.524 km NW of Pangai, Tonga · 3203 days ago · 81 km deep · 68 km away
- 4.5122 km W of Pangai, Tonga · 3201 days ago · 203 km deep · 71 km away
- 4.5149 km W of Pangai, Tonga · 3195 days ago · 201 km deep · 83 km away
- 4.5Tonga · 3186 days ago · 101 km deep · 51 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bjgf. Read Thu, Oct 1, 2026, 6:29 AM UTC.