Samoa earthquakes

M4.3 earthquake 133 km SW of Gataivai, Samoa

A magnitude 4.3 earthquake struck 133 km SW of Gataivai, Samoa on Fri, May 26, 2017, 7:31 AM GMT+13 (18:31 UTC), 45 km (28 mi) below the surface.

A larger quake followed: M4.9 109 km NNE of Hihifo, Tonga. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-05-25 18:31:28 UTC
Depth
44.5 km (27.7 mi), shallow
Epicenter
14.664° S, 173.217° 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 15.2 km horizontally, 9.9 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
137°
Stations used
30

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.9109 km NNE of Hihifo, Tonga · 3417 days ago · 10 km deep · 51 km away
  2. 4.6108 km NE of Hihifo, Tonga · 3417 days ago · 12 km deep · 62 km away
  3. 4.2119 km NE of Hihifo, Tonga · 3409 days ago · 36 km deep · 62 km away
  4. 4.479 km NNE of Hihifo, Tonga · 3404 days ago · 10 km deep · 77 km away
  5. 4.9100 km NNE of Hihifo, Tonga · 3393 days ago · 10 km deep · 57 km away
  6. 4.585 km NNE of Hihifo, Tonga · 3393 days ago · 26 km deep · 72 km away
  7. 4.3137 km NNE of Hihifo, Tonga · 3381 days ago · 10 km deep · 19 km away
  8. 4.5117 km NE of Hihifo, Tonga · 3380 days ago · 35 km deep · 53 km away
  9. 4.287 km NNW of Hihifo, Tonga · 3372 days ago · 10 km deep · 100 km away
  10. 4.187 km NE of Hihifo, Tonga · 3372 days ago · 127 km deep · 75 km away

Before

  1. 4.499 km N of Hihifo, Tonga · 3425 days ago · 64 km deep · 78 km away
  2. 4.7136 km ENE of Hihifo, Tonga · 3429 days ago · 10 km deep · 89 km away
  3. 4.591 km ENE of Hihifo, Tonga · 3431 days ago · 10 km deep · 100 km away
  4. 4.293 km NE of Hihifo, Tonga · 3439 days ago · 39 km deep · 83 km away
  5. 4.7107 km NNE of Hihifo, Tonga · 3441 days ago · 25 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008wv2. Read Sat, Oct 3, 2026, 3:36 AM UTC.