Tonga earthquakes

M4.4 earthquake 236 km W of Haveluloto, Tonga

A magnitude 4.4 earthquake struck 236 km W of Haveluloto, Tonga on Sun, Dec 23, 2018, 4:28 PM GMT+13 (03:28 UTC), 555 km (345 mi) below the surface.

A larger quake followed: M5.8 295 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-12-23 03:28:05 UTC
Depth
555.1 km (344.9 mi), deep
Epicenter
20.858° S, 177.470° 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 13.7 km horizontally, 10.1 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
130°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.4Fiji region · 2838 days ago · 580 km deep · 71 km away
  2. 4.6269 km WNW of Haveluloto, Tonga · 2836 days ago · 499 km deep · 77 km away
  3. 4.7296 km WNW of Haveluloto, Tonga · 2833 days ago · 525 km deep · 66 km away
  4. 4.5Fiji region · 2833 days ago · 537 km deep · 71 km away
  5. 4.7268 km W of Haveluloto, Tonga · 2833 days ago · 481 km deep · 32 km away
  6. 4.3Fiji region · 2830 days ago · 543 km deep · 100 km away
  7. 4.7282 km WNW of Haveluloto, Tonga · 2824 days ago · 538 km deep · 70 km away
  8. 4.2Fiji region · 2824 days ago · 545 km deep · 81 km away
  9. 4.2263 km WNW of Haveluloto, Tonga · 2822 days ago · 476 km deep · 60 km away
  10. 4.3265 km WNW of Haveluloto, Tonga · 2814 days ago · 498 km deep · 56 km away
  11. 4.4271 km WNW of Haveluloto, Tonga · 2812 days ago · 519 km deep · 80 km away
  12. 4.5298 km WNW of Haveluloto, Tonga · 2811 days ago · 545 km deep · 74 km away
  13. 5.8295 km WNW of Haveluloto, Tonga · 2807 days ago · 562 km deep · 91 km away
  14. 4.7289 km W of Haveluloto, Tonga · 2804 days ago · 457 km deep · 55 km away
  15. 4.9Fiji region · 2793 days ago · 545 km deep · 76 km away
  16. 4.8283 km WNW of Haveluloto, Tonga · 2785 days ago · 535 km deep · 68 km away
  17. 4.0289 km W of Haveluloto, Tonga · 2785 days ago · 487 km deep · 64 km away
  18. 4.4294 km W of Haveluloto, Tonga · 2783 days ago · 536 km deep · 58 km away

Before

  1. 4.1200 km WSW of Haveluloto, Tonga · 2850 days ago · 275 km deep · 94 km away
  2. 4.5Fiji region · 2851 days ago · 565 km deep · 90 km away
  3. 4.4296 km W of Haveluloto, Tonga · 2854 days ago · 467 km deep · 74 km away
  4. 4.8Fiji region · 2856 days ago · 482 km deep · 83 km away
  5. 4.1291 km W of Haveluloto, Tonga · 2857 days ago · 412 km deep · 71 km away
  6. 4.3287 km WNW of Haveluloto, Tonga · 2859 days ago · 545 km deep · 70 km away
  7. 4.6274 km WNW of Haveluloto, Tonga · 2859 days ago · 490 km deep · 64 km away
  8. 4.8Fiji region · 2860 days ago · 543 km deep · 73 km away
  9. 3.9Fiji region · 2860 days ago · 525 km deep · 83 km away
  10. 4.4274 km W of Haveluloto, Tonga · 2863 days ago · 478 km deep · 47 km away
  11. 4.2273 km WNW of Haveluloto, Tonga · 2864 days ago · 508 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000j2wn. Read Sun, Oct 4, 2026, 12:22 AM UTC.