Tonga earthquakes

M4.4 earthquake 270 km WNW of Haveluloto, Tonga

A magnitude 4.4 earthquake struck 270 km WNW of Haveluloto, Tonga on Mon, Apr 2, 2018, 1:54 AM GMT+13 (12:54 UTC), 514 km (320 mi) below the surface.

A larger quake followed: M4.7 Fiji region. 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), light
Local time
UTC
2018-04-01 12:54:48 UTC
Depth
514.4 km (319.6 mi), deep
Epicenter
20.282° S, 177.636° 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 14.6 km horizontally, 10.5 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
96°
Stations used
26

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 6 in the 30 days before it.

After

  1. 4.6Fiji region · 3102 days ago · 549 km deep · 82 km away
  2. 4.5284 km WNW of Haveluloto, Tonga · 3101 days ago · 544 km deep · 44 km away
  3. 4.5261 km W of Haveluloto, Tonga · 3092 days ago · 503 km deep · 59 km away
  4. 4.4Fiji region · 3090 days ago · 546 km deep · 45 km away
  5. 4.3Fiji region · 3089 days ago · 518 km deep · 44 km away
  6. 4.1266 km WNW of Haveluloto, Tonga · 3083 days ago · 402 km deep · 24 km away
  7. 4.3241 km WNW of Haveluloto, Tonga · 3083 days ago · 527 km deep · 33 km away
  8. 4.1260 km WNW of Haveluloto, Tonga · 3082 days ago · 476 km deep · 23 km away
  9. 4.6196 km WNW of Haveluloto, Tonga · 3080 days ago · 304 km deep · 86 km away
  10. 4.0270 km W of Haveluloto, Tonga · 3080 days ago · 441 km deep · 72 km away
  11. 4.5261 km WNW of Haveluloto, Tonga · 3076 days ago · 490 km deep · 9 km away
  12. 4.0295 km W of Haveluloto, Tonga · 3069 days ago · 464 km deep · 88 km away
  13. 4.7Fiji region · 3065 days ago · 575 km deep · 84 km away
  14. 4.1Fiji region · 3064 days ago · 617 km deep · 87 km away
  15. 4.4292 km NW of Haveluloto, Tonga · 3063 days ago · 583 km deep · 88 km away
  16. 4.3280 km WNW of Haveluloto, Tonga · 3062 days ago · 516 km deep · 29 km away
  17. 4.7Fiji region · 3062 days ago · 524 km deep · 69 km away
  18. 4.5Fiji region · 3061 days ago · 526 km deep · 93 km away
  19. 4.2Fiji region · 3058 days ago · 537 km deep · 47 km away
  20. 4.3Fiji region · 3055 days ago · 525 km deep · 61 km away
  21. 4.3292 km WNW of Haveluloto, Tonga · 3052 days ago · 497 km deep · 31 km away
  22. 4.5268 km W of Haveluloto, Tonga · 3052 days ago · 482 km deep · 64 km away
  23. 4.4272 km WNW of Haveluloto, Tonga · 3048 days ago · 547 km deep · 29 km away

Before

  1. 4.6Fiji region · 3111 days ago · 523 km deep · 48 km away
  2. 4.5292 km WNW of Haveluloto, Tonga · 3111 days ago · 501 km deep · 43 km away
  3. 4.4282 km WNW of Haveluloto, Tonga · 3115 days ago · 559 km deep · 26 km away
  4. 4.1Fiji region · 3121 days ago · 558 km deep · 57 km away
  5. 4.4279 km WNW of Haveluloto, Tonga · 3130 days ago · 521 km deep · 12 km away
  6. 4.2Fiji region · 3133 days ago · 525 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000dwz0. Read Wed, Sep 30, 2026, 8:22 AM UTC.