M4.1 earthquake 124 km NW of Pangai, Tonga
A magnitude 4.1 earthquake struck 124 km NW of Pangai, Tonga on Sun, Mar 19, 2017, 1:50 AM GMT+13 (12:50 UTC), 240 km (149 mi) below the surface.
A larger quake followed: M4.8 72 km WSW of Neiafu, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-03-18 12:50:52 UTC
- Depth
- 239.6 km (148.9 mi), intermediate-depth
- Epicenter
- 19.062° S, 175.231° 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 7.8 km horizontally, 15.5 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 113°
- Stations used
- 16
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 0 in the 30 days before it.
After
- 4.6140 km W of Neiafu, Tonga · 3467 days ago · 220 km deep · 42 km away
- 4.872 km WSW of Neiafu, Tonga · 3465 days ago · 180 km deep · 68 km away
- 4.858 km WNW of Neiafu, Tonga · 3457 days ago · 87 km deep · 95 km away
- 4.3151 km WNW of Pangai, Tonga · 3452 days ago · 207 km deep · 71 km away
- 4.484 km WNW of Pangai, Tonga · 3442 days ago · 10 km deep · 54 km away
- 4.2Fiji region · 3430 days ago · 274 km deep · 97 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008ubt. Read Fri, Oct 2, 2026, 9:14 AM UTC.