M4.4 earthquake 138 km SW of Gataivai, Samoa
A magnitude 4.4 earthquake struck 138 km SW of Gataivai, Samoa on Fri, Oct 17, 2025, 1:15 PM GMT+13 (00:15 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.0 104 km NNE 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2025-10-17 00:15:41 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 14.804° S, 173.109° 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 7.3 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- Operator assigned
- Station coverage gap
- 63°
- Stations used
- 15
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 2 in the 30 days before it.
After
- 4.3103 km NE of Hihifo, Tonga · 342 days ago · 10 km deep · 48 km away
- 4.291 km N of Hihifo, Tonga · 317 days ago · 127 km deep · 76 km away
- 4.7136 km NE of Hihifo, Tonga · 316 days ago · 10 km deep · 26 km away
- 5.0104 km NNE of Hihifo, Tonga · 313 days ago · 10 km deep · 53 km away · felt by 1
- 4.599 km NE of Hihifo, Tonga · 307 days ago · 10 km deep · 58 km away
Before
Earthquakes todaySamoa earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000rlxq. Read Mon, Oct 5, 2026, 9:35 AM UTC.