M4.4 earthquake Samoa Islands region
A magnitude 4.4 earthquake struck in the Samoa Islands region on Mon, Jan 29, 2018, 6:11 AM GMT+14 (16:11 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.1 103 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-28 16:11:49 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 15.440° S, 172.672° 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 11.1 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- Operator assigned
- Station coverage gap
- 133°
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.1103 km NE of Hihifo, Tonga · 3156 days ago · 10 km deep · 40 km away
- 4.974 km NNE of Hihifo, Tonga · 3149 days ago · 35 km deep · 81 km away
- 4.4125 km NE of Hihifo, Tonga · 3137 days ago · 10 km deep · 61 km away
- 4.982 km NNE of Hihifo, Tonga · 3136 days ago · 36 km deep · 83 km away
- 5.093 km ENE of Hihifo, Tonga · 3133 days ago · 10 km deep · 40 km away
- 4.873 km NE of Hihifo, Tonga · 3129 days ago · 10 km deep · 68 km away
- 4.697 km NNE of Hihifo, Tonga · 3123 days ago · 10 km deep · 96 km away
Before
- 4.4115 km NE of Hihifo, Tonga · 3176 days ago · 10 km deep · 58 km away
- 4.8100 km NE of Hihifo, Tonga · 3178 days ago · 38 km deep · 61 km away
- 4.7103 km NNE of Hihifo, Tonga · 3179 days ago · 10 km deep · 99 km away
- 5.1146 km SSW of Gataivai, Samoa · 3179 days ago · 10 km deep · 44 km away
- 4.541 km NE of Hihifo, Tonga · 3183 days ago · 35 km deep · 99 km away
Earthquakes todaySamoa earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000cyy2. Read Fri, Oct 2, 2026, 8:30 AM UTC.