M4.2 earthquake 179 km SW of Haveluloto, Tonga
A magnitude 4.2 earthquake struck 179 km SW of Haveluloto, Tonga on Sun, Apr 2, 2017, 8:40 AM GMT+13 (19:40 UTC), 157 km (98 mi) below the surface.
A larger quake followed: M5.6 172 km SW of Vaini, 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
- 2017-04-01 19:40:07 UTC
- Depth
- 157.3 km (97.8 mi), intermediate-depth
- Epicenter
- 22.166° S, 176.563° 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 8.0 km horizontally, 10.2 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 115°
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.3232 km WSW of Haveluloto, Tonga · 3437 days ago · 275 km deep · 76 km away
- 4.5109 km SW of ‘Ohonua, Tonga · 3430 days ago · 10 km deep · 96 km away
- 4.9123 km SW of Vaini, Tonga · 3427 days ago · 55 km deep · 59 km away
- 5.6172 km SW of Vaini, Tonga · 3418 days ago · 127 km deep · 29 km away
- 4.6146 km WSW of Haveluloto, Tonga · 3412 days ago · 182 km deep · 80 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008fey. Read Fri, Oct 2, 2026, 8:55 PM UTC.