M4.2 earthquake 153 km NW of Pangai, Tonga
A magnitude 4.2 earthquake struck 153 km NW of Pangai, Tonga on Wed, Apr 20, 2016, 11:58 PM GMT+13 (10:58 UTC), 185 km (115 mi) below the surface.
A larger quake followed: M4.3 128 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-04-20 10:58:37 UTC
- Depth
- 184.5 km (114.7 mi), intermediate-depth
- Epicenter
- 18.883° S, 175.432° 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, 8.3 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 103°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.3128 km WNW of Pangai, Tonga · 3813 days ago · 230 km deep · 46 km away
- 4.3132 km WNW of Pangai, Tonga · 3809 days ago · 217 km deep · 60 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10005ds0. Read Sun, Oct 4, 2026, 11:31 AM UTC.