Tonga earthquakes

M4.2 earthquake 279 km W of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 279 km W of Haveluloto, Tonga on Fri, Aug 2, 2019, 5:53 PM GMT+13 (04:53 UTC), 413 km (257 mi) below the surface.

A larger quake followed: M6.6 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
4.2 (mb), light
Local time
UTC
2019-08-02 04:53:54 UTC
Depth
413.2 km (256.7 mi), deep
Epicenter
20.761° S, 177.864° 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 15.0 km horizontally, 9.9 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
100°
Stations used
25

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 5 in the 30 days before it.

After

  1. 4.2Fiji region · 2617 days ago · 553 km deep · 90 km away
  2. 4.2295 km WNW of Haveluloto, Tonga · 2607 days ago · 541 km deep · 48 km away
  3. 4.1283 km WNW of Haveluloto, Tonga · 2606 days ago · 441 km deep · 69 km away
  4. 4.3Fiji region · 2603 days ago · 426 km deep · 60 km away
  5. 4.6Fiji region · 2602 days ago · 600 km deep · 78 km away
  6. 4.4274 km WNW of Haveluloto, Tonga · 2599 days ago · 547 km deep · 44 km away
  7. 4.2Fiji region · 2596 days ago · 517 km deep · 43 km away
  8. 4.5263 km WNW of Haveluloto, Tonga · 2591 days ago · 501 km deep · 59 km away
  9. 4.4181 km WNW of Haveluloto, Tonga · 2591 days ago · 193 km deep · 98 km away
  10. 6.6Fiji region · 2586 days ago · 591 km deep · 86 km away · felt by 2 · tsunami flag
  11. 4.6Fiji region · 2586 days ago · 600 km deep · 65 km away
  12. 4.4290 km WNW of Haveluloto, Tonga · 2585 days ago · 505 km deep · 18 km away
  13. 4.7Fiji region · 2583 days ago · 593 km deep · 88 km away
  14. 4.4Fiji region · 2577 days ago · 464 km deep · 37 km away
  15. 4.5Fiji region · 2576 days ago · 549 km deep · 33 km away
  16. 4.1Fiji region · 2569 days ago · 520 km deep · 66 km away
  17. 5.3Fiji region · 2564 days ago · 523 km deep · 57 km away
  18. 4.8Fiji region · 2563 days ago · 590 km deep · 95 km away

Before

  1. 4.5Fiji region · 2618 days ago · 626 km deep · 90 km away
  2. 4.2276 km WNW of Haveluloto, Tonga · 2630 days ago · 491 km deep · 45 km away
  3. 4.1297 km WNW of Haveluloto, Tonga · 2631 days ago · 568 km deep · 75 km away
  4. 4.1291 km WNW of Haveluloto, Tonga · 2639 days ago · 480 km deep · 40 km away
  5. 4.7Fiji region · 2640 days ago · 518 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600052ug. Read Thu, Oct 1, 2026, 1:57 AM UTC.