M4.7 earthquake 154 km W of Neiafu, Tonga
A magnitude 4.7 earthquake struck 154 km W of Neiafu, Tonga on Fri, Apr 24, 2015, 11:21 AM GMT+13 (22:21 UTC), 208 km (129 mi) below the surface.
A larger quake followed: M6.0 135 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-04-23 22:21:05 UTC
- Depth
- 207.9 km (129.2 mi), intermediate-depth
- Epicenter
- 18.447° S, 175.430° 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 6.6 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 54°
- Stations used
- 143
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us200028nu. Read Mon, Oct 5, 2026, 7:38 AM UTC.