Samoa earthquakes

M4.7 earthquake 140 km SSW of Gataivai, Samoa

A magnitude 4.7 earthquake struck 140 km SSW of Gataivai, Samoa on Tue, Mar 5, 2019, 8:13 AM GMT+14 (18:13 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M6.0 121 km ENE 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
4.7 (mb), light
Local time
UTC
2019-03-04 18:13:07 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.005° S, 172.707° 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 6.8 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
118°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 12 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.3100 km NNE of Hihifo, Tonga · 2751 days ago · 10 km deep · 91 km away
  2. 4.682 km NE of Hihifo, Tonga · 2750 days ago · 10 km deep · 75 km away
  3. 4.7142 km NE of Hihifo, Tonga · 2747 days ago · 100 km deep · 26 km away
  4. 5.2139 km NE of Hihifo, Tonga · 2733 days ago · 10 km deep · 30 km away
  5. 5.2103 km ENE of Hihifo, Tonga · 2730 days ago · 10 km deep · 66 km away
  6. 5.295 km ENE of Hihifo, Tonga · 2730 days ago · 10 km deep · 72 km away
  7. 6.0121 km ENE of Hihifo, Tonga · 2726 days ago · 15 km deep · 46 km away · felt by 10
  8. 4.594 km NE of Hihifo, Tonga · 2718 days ago · 10 km deep · 64 km away
  9. 4.9104 km NE of Hihifo, Tonga · 2716 days ago · 10 km deep · 53 km away
  10. 4.6142 km NE of Hihifo, Tonga · 2709 days ago · 22 km deep · 20 km away
  11. 4.6105 km NE of Hihifo, Tonga · 2709 days ago · 10 km deep · 60 km away
  12. 4.5104 km NE of Hihifo, Tonga · 2708 days ago · 10 km deep · 53 km away

Before

  1. 4.7102 km NE of Hihifo, Tonga · 2776 days ago · 10 km deep · 59 km away
  2. 4.7131 km NE of Hihifo, Tonga · 2778 days ago · 10 km deep · 26 km away
  3. 4.7124 km E of Hihifo, Tonga · 2780 days ago · 10 km deep · 100 km away
  4. 5.198 km NNE of Hihifo, Tonga · 2787 days ago · 10 km deep · 85 km away · felt by 1
  5. 4.2128 km NE of Hihifo, Tonga · 2794 days ago · 10 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000jevf. Read Mon, Sep 28, 2026, 3:57 PM UTC.