Tonga earthquakes

M4.1 earthquake 276 km NW of Haveluloto, Tonga

A magnitude 4.1 earthquake struck 276 km NW of Haveluloto, Tonga on Mon, Sep 3, 2018, 7:23 PM GMT+13 (06:23 UTC), 533 km (331 mi) below the surface.

A larger quake followed: M4.6 281 km WNW of Haveluloto, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

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

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The earthquake

Magnitude
4.1 (mb), light
Local time
UTC
2018-09-03 06:23:41 UTC
Depth
532.9 km (331.1 mi), deep
Epicenter
19.751° S, 177.409° W
Region
Tonga
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 14.4 km horizontally, 18.5 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
110°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.3Fiji region · 2947 days ago · 592 km deep · 81 km away
  2. 4.2Fiji region · 2941 days ago · 422 km deep · 48 km away
  3. 4.1297 km NW of Nuku‘alofa, Tonga · 2939 days ago · 554 km deep · 64 km away
  4. 4.2256 km WNW of Haveluloto, Tonga · 2937 days ago · 524 km deep · 69 km away
  5. 4.1Fiji region · 2937 days ago · 430 km deep · 39 km away
  6. 4.5Fiji region · 2935 days ago · 368 km deep · 42 km away
  7. 4.4259 km WNW of Haveluloto, Tonga · 2926 days ago · 472 km deep · 70 km away
  8. 4.3274 km WNW of Haveluloto, Tonga · 2926 days ago · 514 km deep · 11 km away
  9. 4.4Fiji region · 2924 days ago · 608 km deep · 98 km away
  10. 4.1275 km WNW of Haveluloto, Tonga · 2917 days ago · 512 km deep · 91 km away
  11. 4.4292 km WNW of Haveluloto, Tonga · 2910 days ago · 613 km deep · 41 km away
  12. 4.4267 km WNW of Haveluloto, Tonga · 2909 days ago · 483 km deep · 74 km away
  13. 4.4Fiji region · 2908 days ago · 589 km deep · 68 km away
  14. 4.1Fiji region · 2903 days ago · 580 km deep · 38 km away
  15. 4.2260 km WNW of Haveluloto, Tonga · 2903 days ago · 480 km deep · 74 km away
  16. 4.4Fiji region · 2903 days ago · 579 km deep · 85 km away
  17. 4.3Fiji region · 2899 days ago · 568 km deep · 66 km away
  18. 4.5Fiji region · 2898 days ago · 530 km deep · 37 km away
  19. 4.3Fiji region · 2897 days ago · 560 km deep · 73 km away
  20. 4.5298 km WNW of Haveluloto, Tonga · 2895 days ago · 408 km deep · 48 km away
  21. 4.6281 km WNW of Haveluloto, Tonga · 2894 days ago · 519 km deep · 70 km away
  22. 4.1279 km WNW of Haveluloto, Tonga · 2892 days ago · 490 km deep · 84 km away
  23. 4.5275 km WNW of Haveluloto, Tonga · 2891 days ago · 516 km deep · 81 km away

Before

  1. 4.2Fiji region · 2949 days ago · 603 km deep · 91 km away
  2. 4.4247 km WNW of Haveluloto, Tonga · 2952 days ago · 504 km deep · 85 km away
  3. 4.2262 km WNW of Haveluloto, Tonga · 2953 days ago · 508 km deep · 42 km away
  4. 4.3Fiji region · 2953 days ago · 316 km deep · 19 km away
  5. 4.1264 km WNW of Haveluloto, Tonga · 2962 days ago · 531 km deep · 50 km away
  6. 4.2291 km WNW of Haveluloto, Tonga · 2964 days ago · 576 km deep · 28 km away
  7. 4.4Fiji region · 2965 days ago · 590 km deep · 52 km away
  8. 4.3Fiji region · 2967 days ago · 558 km deep · 56 km away
  9. 4.3Fiji region · 2971 days ago · 599 km deep · 52 km away
  10. 4.5267 km WNW of Haveluloto, Tonga · 2975 days ago · 509 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000hcv9. Read Wed, Sep 30, 2026, 3:12 AM UTC.