Tonga earthquakes

M4.3 earthquake 275 km W of Haveluloto, Tonga

A magnitude 4.3 earthquake struck 275 km W of Haveluloto, Tonga on Sat, May 23, 2020, 12:00 AM GMT+13 (11:00 UTC), 436 km (271 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-05-22 11:00:24 UTC
Depth
436.3 km (271.1 mi), deep
Epicenter
21.207° S, 177.867° 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 12.6 km horizontally, 9.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
160°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.5Fiji region · 2322 days ago · 539 km deep · 74 km away
  2. 4.2Fiji region · 2321 days ago · 594 km deep · 69 km away
  3. 4.3281 km WNW of Haveluloto, Tonga · 2314 days ago · 496 km deep · 70 km away
  4. 4.0Fiji region · 2309 days ago · 547 km deep · 57 km away
  5. 4.2Fiji region · 2302 days ago · 598 km deep · 94 km away
  6. 4.4Fiji region · 2299 days ago · 593 km deep · 71 km away
  7. 4.3234 km W of Haveluloto, Tonga · 2298 days ago · 291 km deep · 49 km away
  8. 4.3Fiji region · 2296 days ago · 569 km deep · 74 km away
  9. 4.1266 km W of Haveluloto, Tonga · 2293 days ago · 540 km deep · 58 km away
  10. 4.3271 km WNW of Haveluloto, Tonga · 2292 days ago · 538 km deep · 94 km away
  11. 4.7Fiji region · 2287 days ago · 576 km deep · 73 km away
  12. 4.4271 km WNW of Haveluloto, Tonga · 2286 days ago · 533 km deep · 87 km away
  13. 4.5Fiji region · 2285 days ago · 573 km deep · 79 km away
  14. 4.3Fiji region · 2281 days ago · 561 km deep · 86 km away
  15. 4.2263 km W of Haveluloto, Tonga · 2281 days ago · 484 km deep · 47 km away
  16. 4.1Fiji region · 2280 days ago · 514 km deep · 85 km away
  17. 4.5264 km WNW of Haveluloto, Tonga · 2280 days ago · 517 km deep · 89 km away
  18. 4.1Fiji region · 2278 days ago · 538 km deep · 78 km away
  19. 4.1Fiji region · 2277 days ago · 495 km deep · 35 km away
  20. 4.1Fiji region · 2274 days ago · 582 km deep · 87 km away
  21. 4.2249 km WNW of Haveluloto, Tonga · 2271 days ago · 496 km deep · 86 km away
  22. 4.5Fiji region · 2269 days ago · 453 km deep · 52 km away
  23. 4.2296 km WNW of Haveluloto, Tonga · 2266 days ago · 539 km deep · 82 km away
  24. 4.2Fiji region · 2266 days ago · 557 km deep · 57 km away
  25. 4.1Fiji region · 2266 days ago · 557 km deep · 67 km away
  26. 4.1Fiji region · 2266 days ago · 516 km deep · 47 km away

Before

  1. 4.5Fiji region · 2328 days ago · 574 km deep · 64 km away
  2. 4.2Fiji region · 2328 days ago · 601 km deep · 83 km away
  3. 4.2299 km WNW of Haveluloto, Tonga · 2329 days ago · 496 km deep · 94 km away
  4. 4.1Fiji region · 2334 days ago · 539 km deep · 80 km away
  5. 4.6287 km W of Haveluloto, Tonga · 2334 days ago · 480 km deep · 56 km away
  6. 4.1278 km W of Haveluloto, Tonga · 2335 days ago · 441 km deep · 47 km away
  7. 4.2Fiji region · 2343 days ago · 388 km deep · 44 km away
  8. 4.4274 km WNW of Haveluloto, Tonga · 2345 days ago · 506 km deep · 81 km away
  9. 4.4272 km W of Haveluloto, Tonga · 2346 days ago · 382 km deep · 29 km away
  10. 4.2289 km WNW of Haveluloto, Tonga · 2354 days ago · 540 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000a1sv. Read Sat, Oct 3, 2026, 3:46 AM UTC.