Tonga earthquakes

M4.5 earthquake 261 km W of Haveluloto, Tonga

A magnitude 4.5 earthquake struck 261 km W of Haveluloto, Tonga on Sat, Apr 14, 2018, 4:44 AM GMT+13 (15:44 UTC), 503 km (313 mi) below the surface.

A larger quake followed: M5.4 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
4.5 (mb), light
Local time
UTC
2018-04-13 15:44:28 UTC
Depth
503.1 km (312.6 mi), deep
Epicenter
20.810° S, 177.703° 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 12.7 km horizontally, 7.7 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
123°
Stations used
72

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 24 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.4Fiji region · 3090 days ago · 546 km deep · 63 km away
  2. 4.3Fiji region · 3089 days ago · 518 km deep · 49 km away
  3. 4.1266 km WNW of Haveluloto, Tonga · 3083 days ago · 402 km deep · 35 km away
  4. 4.3241 km WNW of Haveluloto, Tonga · 3082 days ago · 527 km deep · 44 km away
  5. 4.1260 km WNW of Haveluloto, Tonga · 3082 days ago · 476 km deep · 78 km away
  6. 4.4Fiji region · 3082 days ago · 578 km deep · 88 km away
  7. 4.0270 km W of Haveluloto, Tonga · 3080 days ago · 441 km deep · 15 km away
  8. 4.5261 km WNW of Haveluloto, Tonga · 3076 days ago · 490 km deep · 55 km away
  9. 4.0295 km W of Haveluloto, Tonga · 3069 days ago · 464 km deep · 41 km away
  10. 4.3280 km WNW of Haveluloto, Tonga · 3062 days ago · 516 km deep · 88 km away
  11. 4.7Fiji region · 3062 days ago · 524 km deep · 45 km away
  12. 4.5Fiji region · 3061 days ago · 526 km deep · 59 km away
  13. 4.2Fiji region · 3058 days ago · 537 km deep · 93 km away
  14. 4.3Fiji region · 3055 days ago · 538 km deep · 96 km away
  15. 4.3Fiji region · 3055 days ago · 525 km deep · 55 km away
  16. 4.3292 km WNW of Haveluloto, Tonga · 3052 days ago · 497 km deep · 88 km away
  17. 4.5268 km W of Haveluloto, Tonga · 3052 days ago · 482 km deep · 8 km away
  18. 5.4Fiji region · 3051 days ago · 473 km deep · 69 km away
  19. 4.4272 km WNW of Haveluloto, Tonga · 3048 days ago · 547 km deep · 87 km away
  20. 4.1Fiji region · 3046 days ago · 577 km deep · 89 km away
  21. 4.8274 km WNW of Haveluloto, Tonga · 3042 days ago · 516 km deep · 36 km away
  22. 4.4Fiji region · 3041 days ago · 580 km deep · 60 km away
  23. 4.2276 km WNW of Haveluloto, Tonga · 3035 days ago · 535 km deep · 90 km away
  24. 4.3Fiji region · 3034 days ago · 553 km deep · 68 km away

Before

  1. 4.6Fiji region · 3102 days ago · 549 km deep · 68 km away
  2. 4.4270 km WNW of Haveluloto, Tonga · 3104 days ago · 514 km deep · 59 km away
  3. 4.6Fiji region · 3105 days ago · 456 km deep · 78 km away
  4. 4.6Fiji region · 3111 days ago · 523 km deep · 47 km away
  5. 4.4282 km WNW of Haveluloto, Tonga · 3115 days ago · 559 km deep · 85 km away
  6. 4.3Fiji region · 3118 days ago · 566 km deep · 77 km away
  7. 4.4Fiji region · 3120 days ago · 530 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000dzss. Read Wed, Sep 30, 2026, 6:30 AM UTC.