M4.9 earthquake 164 km SSW of Matavai, Samoa
A magnitude 4.9 earthquake struck 164 km SSW of Matavai, Samoa on Sun, Nov 26, 2017, 7:55 AM GMT+14 (17:55 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M5.5 113 km NE 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
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-11-25 17:55:07 UTC
- Depth
- 21.4 km (13.3 mi), shallow
- Epicenter
- 15.454° S, 172.106° 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 8.9 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 107°
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.9112 km NE of Hihifo, Tonga · 3216 days ago · 10 km deep · 97 km away
- 5.5113 km NE of Hihifo, Tonga · 3204 days ago · 38 km deep · 89 km away
- 5.1146 km SSW of Gataivai, Samoa · 3179 days ago · 10 km deep · 82 km away
Before
Earthquakes todaySamoa earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000bjxg. Read Fri, Oct 2, 2026, 11:50 AM UTC.