Tonga earthquakes

M4.1 earthquake 290 km WNW of Houma, Tonga

A magnitude 4.1 earthquake struck 290 km WNW of Houma, Tonga on Fri, Feb 27, 2026, 1:39 PM GMT+13 (00:39 UTC), 508 km (316 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-02-27 00:39:31 UTC
Depth
507.8 km (315.5 mi), deep
Epicenter
20.530° S, 178.011° 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 17.3 km horizontally, 7.0 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
209°, poorly surrounded by stations
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 4.1293 km NW of Houma, Tonga · 219 days ago · 567 km deep · 99 km away
  2. 4.2Fiji region · 219 days ago · 509 km deep · 71 km away
  3. 4.4273 km WNW of Houma, Tonga · 218 days ago · 503 km deep · 18 km away
  4. 4.1294 km WNW of Houma, Tonga · 217 days ago · 561 km deep · 53 km away
  5. 4.4Fiji region · 217 days ago · 551 km deep · 80 km away
  6. 4.3268 km WNW of Houma, Tonga · 217 days ago · 539 km deep · 70 km away
  7. 4.7259 km WNW of Houma, Tonga · 208 days ago · 552 km deep · 63 km away
  8. 4.4263 km WNW of Houma, Tonga · 208 days ago · 529 km deep · 60 km away
  9. 4.3256 km WNW of Houma, Tonga · 203 days ago · 518 km deep · 34 km away
  10. 4.2282 km WNW of Houma, Tonga · 201 days ago · 541 km deep · 70 km away
  11. 4.1281 km WNW of Houma, Tonga · 199 days ago · 553 km deep · 45 km away
  12. 4.0Fiji region · 198 days ago · 590 km deep · 88 km away
  13. 4.4285 km WNW of Houma, Tonga · 198 days ago · 498 km deep · 16 km away
  14. 4.8Fiji region · 197 days ago · 575 km deep · 45 km away
  15. 4.3287 km WNW of Houma, Tonga · 196 days ago · 515 km deep · 17 km away
  16. 4.3266 km W of Houma, Tonga · 196 days ago · 416 km deep · 79 km away
  17. 4.1Fiji region · 195 days ago · 517 km deep · 57 km away
  18. 4.2Fiji region · 192 days ago · 617 km deep · 90 km away
  19. 4.2Fiji region · 187 days ago · 546 km deep · 28 km away
  20. 4.5291 km WNW of Houma, Tonga · 186 days ago · 520 km deep · 7 km away
  21. 4.7289 km WNW of Houma, Tonga · 186 days ago · 548 km deep · 9 km away
  22. 4.6247 km WNW of Houma, Tonga · 185 days ago · 544 km deep · 74 km away
  23. 4.2Fiji region · 179 days ago · 534 km deep · 38 km away
  24. 4.1Fiji region · 177 days ago · 567 km deep · 66 km away
  25. 4.9Fiji region · 177 days ago · 531 km deep · 20 km away
  26. 4.0272 km WNW of Houma, Tonga · 172 days ago · 550 km deep · 21 km away
  27. 4.6289 km WNW of Houma, Tonga · 171 days ago · 546 km deep · 10 km away
  28. 4.0281 km WNW of Houma, Tonga · 170 days ago · 509 km deep · 30 km away
  29. 4.1Fiji region · 162 days ago · 550 km deep · 36 km away

Before

  1. 4.7243 km WNW of Houma, Tonga · 222 days ago · 378 km deep · 72 km away
  2. 4.3272 km WNW of Houma, Tonga · 224 days ago · 10 km deep · 94 km away
  3. 4.6Fiji region · 226 days ago · 585 km deep · 65 km away
  4. 4.1268 km WNW of Houma, Tonga · 230 days ago · 611 km deep · 28 km away
  5. 4.2Fiji region · 231 days ago · 601 km deep · 87 km away
  6. 4.3Fiji region · 231 days ago · 494 km deep · 51 km away
  7. 4.3280 km WNW of Houma, Tonga · 231 days ago · 542 km deep · 18 km away
  8. 4.6283 km W of Houma, Tonga · 235 days ago · 414 km deep · 95 km away
  9. 6.2Fiji region · 235 days ago · 513 km deep · 67 km away
  10. 4.2Fiji region · 238 days ago · 587 km deep · 64 km away
  11. 4.4295 km WNW of Houma, Tonga · 243 days ago · 508 km deep · 73 km away
  12. 4.4269 km WNW of Houma, Tonga · 245 days ago · 533 km deep · 85 km away
  13. 4.1Fiji region · 245 days ago · 660 km deep · 38 km away
  14. 4.6Fiji region · 247 days ago · 533 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000sfuf. Read Sat, Oct 3, 2026, 3:08 PM UTC.