Samoa earthquakes

M4.4 earthquake 135 km SSW of Gataivai, Samoa

A magnitude 4.4 earthquake struck 135 km SSW of Gataivai, Samoa on Wed, Nov 20, 2019, 9:59 PM GMT+14 (07:59 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.2 92 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
4.4 (mb), light
Local time
UTC
2019-11-20 07:59:13 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
14.952° S, 172.738° 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 12.0 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.18
Depth from
Operator assigned
Station coverage gap
105°
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: 6 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 5.292 km NNE of Hihifo, Tonga · 2503 days ago · 10 km deep · 75 km away · felt by 1
  2. 4.4138 km SW of Gataivai, Samoa · 2488 days ago · 10 km deep · 51 km away
  3. 4.6108 km NNE of Hihifo, Tonga · 2486 days ago · 10 km deep · 65 km away
  4. 4.9116 km NE of Hihifo, Tonga · 2480 days ago · 10 km deep · 43 km away
  5. 4.575 km NE of Hihifo, Tonga · 2473 days ago · 10 km deep · 86 km away
  6. 4.797 km NNE of Hihifo, Tonga · 2449 days ago · 10 km deep · 73 km away

Before

  1. 4.693 km NE of Hihifo, Tonga · 2515 days ago · 10 km deep · 66 km away
  2. 5.280 km ENE of Hihifo, Tonga · 2518 days ago · 10 km deep · 89 km away
  3. 5.8103 km E of Hihifo, Tonga · 2519 days ago · 43 km deep · 93 km away · felt by 11
  4. 4.586 km NE of Hihifo, Tonga · 2527 days ago · 10 km deep · 73 km away
  5. 4.3109 km NE of Hihifo, Tonga · 2533 days ago · 10 km deep · 53 km away
  6. 4.9143 km NE of Hihifo, Tonga · 2536 days ago · 10 km deep · 15 km away
  7. 4.5109 km NE of Hihifo, Tonga · 2536 days ago · 10 km deep · 51 km away
  8. 5.9121 km NE of Hihifo, Tonga · 2536 days ago · 29 km deep · 38 km away · felt by 4
  9. 4.8132 km NNE of Hihifo, Tonga · 2536 days ago · 10 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70006e86. Read Thu, Oct 1, 2026, 12:07 AM UTC.