M4.6 earthquake Samoa Islands region
A magnitude 4.6 earthquake struck in the Samoa Islands region on Tue, Apr 25, 2017, 8:42 AM GMT+13 (19:42 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 175 km SE of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-04-24 19:42:44 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 16.557° S, 171.887° W
- Region
- Samoa
- 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 8.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 58°
- Stations used
- 48
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todaySamoa earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008n9e. Read Fri, Oct 2, 2026, 9:51 PM UTC.