Tonga earthquakes

M4.2 earthquake 268 km W of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 268 km W of Haveluloto, Tonga on Fri, Feb 28, 2020, 7:48 AM GMT+13 (18:48 UTC), 520 km (323 mi) below the surface.

A larger quake followed: M4.9 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, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-02-27 18:48:53 UTC
Depth
520.0 km (323.1 mi), deep
Epicenter
20.935° S, 177.789° 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 14.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
209°, poorly surrounded by stations
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 4.2293 km WNW of Haveluloto, Tonga · 2408 days ago · 474 km deep · 88 km away
  2. 4.9Fiji region · 2405 days ago · 537 km deep · 54 km away
  3. 4.2Fiji region · 2400 days ago · 570 km deep · 60 km away
  4. 4.2255 km WNW of Haveluloto, Tonga · 2396 days ago · 511 km deep · 93 km away
  5. 4.1254 km W of Haveluloto, Tonga · 2393 days ago · 464 km deep · 22 km away
  6. 4.5262 km WNW of Haveluloto, Tonga · 2391 days ago · 515 km deep · 78 km away
  7. 4.4Fiji region · 2390 days ago · 577 km deep · 71 km away
  8. 4.5279 km WNW of Haveluloto, Tonga · 2389 days ago · 524 km deep · 55 km away
  9. 4.0241 km WNW of Haveluloto, Tonga · 2387 days ago · 523 km deep · 77 km away
  10. 4.0282 km W of Haveluloto, Tonga · 2387 days ago · 499 km deep · 15 km away
  11. 4.3Fiji region · 2384 days ago · 581 km deep · 81 km away
  12. 4.4Fiji region · 2383 days ago · 618 km deep · 94 km away
  13. 4.4Fiji region · 2383 days ago · 454 km deep · 62 km away
  14. 4.4257 km W of Haveluloto, Tonga · 2382 days ago · 400 km deep · 47 km away
  15. 4.1Fiji region · 2382 days ago · 601 km deep · 80 km away
  16. 4.1Fiji region · 2373 days ago · 570 km deep · 85 km away
  17. 4.1267 km WNW of Haveluloto, Tonga · 2370 days ago · 357 km deep · 73 km away
  18. 4.2Fiji region · 2368 days ago · 582 km deep · 79 km away
  19. 4.2275 km WNW of Haveluloto, Tonga · 2366 days ago · 546 km deep · 90 km away
  20. 4.2278 km WNW of Haveluloto, Tonga · 2365 days ago · 522 km deep · 72 km away
  21. 4.2Fiji region · 2364 days ago · 503 km deep · 60 km away
  22. 4.1265 km WNW of Haveluloto, Tonga · 2363 days ago · 503 km deep · 48 km away
  23. 4.1212 km W of Haveluloto, Tonga · 2361 days ago · 533 km deep · 56 km away
  24. 4.2295 km WNW of Haveluloto, Tonga · 2355 days ago · 609 km deep · 58 km away
  25. 4.4Fiji region · 2353 days ago · 611 km deep · 96 km away
  26. 4.2289 km WNW of Haveluloto, Tonga · 2353 days ago · 540 km deep · 43 km away
  27. 4.4289 km WNW of Haveluloto, Tonga · 2351 days ago · 546 km deep · 81 km away

Before

  1. 4.3Fiji region · 2410 days ago · 604 km deep · 87 km away
  2. 4.6Fiji region · 2410 days ago · 596 km deep · 98 km away
  3. 4.3297 km WNW of Haveluloto, Tonga · 2410 days ago · 520 km deep · 64 km away
  4. 4.1271 km WNW of Haveluloto, Tonga · 2417 days ago · 524 km deep · 57 km away
  5. 4.2Fiji region · 2418 days ago · 582 km deep · 100 km away
  6. 4.1253 km WNW of Haveluloto, Tonga · 2418 days ago · 535 km deep · 94 km away
  7. 4.1272 km W of Haveluloto, Tonga · 2419 days ago · 583 km deep · 23 km away
  8. 4.1269 km W of Haveluloto, Tonga · 2421 days ago · 388 km deep · 63 km away
  9. 4.5259 km WNW of Haveluloto, Tonga · 2424 days ago · 513 km deep · 53 km away
  10. 4.5270 km WNW of Haveluloto, Tonga · 2425 days ago · 537 km deep · 66 km away
  11. 4.5Fiji region · 2426 days ago · 567 km deep · 77 km away
  12. 4.5Fiji region · 2429 days ago · 549 km deep · 79 km away
  13. 4.2Fiji region · 2429 days ago · 613 km deep · 71 km away
  14. 4.2Fiji region · 2434 days ago · 585 km deep · 83 km away
  15. 4.5296 km W of Haveluloto, Tonga · 2436 days ago · 468 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600089kb. Read Fri, Oct 2, 2026, 12:31 AM UTC.