Tonga earthquakes

M4.4 earthquake 276 km WNW of Houma, Tonga

A magnitude 4.4 earthquake struck 276 km WNW of Houma, Tonga on Fri, Oct 17, 2025, 10:38 AM GMT+13 (21:38 UTC), 524 km (326 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-10-16 21:38:42 UTC
Depth
524.2 km (325.7 mi), deep
Epicenter
20.352° S, 177.807° 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 14.0 km horizontally, 8.0 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
124°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 4.2Fiji region · 351 days ago · 478 km deep · 58 km away
  2. 4.2277 km WNW of Houma, Tonga · 349 days ago · 487 km deep · 27 km away
  3. 4.4Fiji region · 348 days ago · 408 km deep · 74 km away
  4. 4.4297 km WNW of Houma, Tonga · 346 days ago · 532 km deep · 28 km away
  5. 4.4277 km W of Houma, Tonga · 345 days ago · 475 km deep · 60 km away
  6. 4.7293 km WNW of Houma, Tonga · 343 days ago · 530 km deep · 27 km away
  7. 4.4Fiji region · 336 days ago · 551 km deep · 44 km away
  8. 4.4Fiji region · 333 days ago · 559 km deep · 43 km away
  9. 4.4Fiji region · 329 days ago · 540 km deep · 56 km away
  10. 4.3274 km WNW of Houma, Tonga · 325 days ago · 521 km deep · 24 km away
  11. 4.5Fiji region · 322 days ago · 526 km deep · 25 km away
  12. 4.3Fiji region · 314 days ago · 572 km deep · 61 km away
  13. 4.2268 km WNW of Houma, Tonga · 311 days ago · 486 km deep · 31 km away
  14. 4.0299 km NW of Houma, Tonga · 311 days ago · 420 km deep · 82 km away
  15. 4.4Fiji region · 310 days ago · 596 km deep · 59 km away
  16. 4.2295 km WNW of Houma, Tonga · 309 days ago · 522 km deep · 46 km away
  17. 4.0Fiji region · 309 days ago · 415 km deep · 56 km away
  18. 4.4280 km NW of Houma, Tonga · 306 days ago · 544 km deep · 72 km away
  19. 4.2260 km WNW of Houma, Tonga · 304 days ago · 529 km deep · 15 km away
  20. 4.1Fiji region · 304 days ago · 560 km deep · 35 km away
  21. 4.2275 km WNW of Houma, Tonga · 303 days ago · 531 km deep · 25 km away
  22. 4.2283 km WNW of Houma, Tonga · 297 days ago · 523 km deep · 8 km away
  23. 4.4284 km WNW of Houma, Tonga · 294 days ago · 515 km deep · 35 km away
  24. 4.9Fiji region · 292 days ago · 603 km deep · 90 km away
  25. 4.2Fiji region · 292 days ago · 586 km deep · 79 km away

Before

  1. 4.2252 km WNW of Houma, Tonga · 361 days ago · 549 km deep · 38 km away
  2. 4.2264 km WNW of Houma, Tonga · 363 days ago · 467 km deep · 13 km away
  3. 4.6Fiji region · 372 days ago · 615 km deep · 94 km away
  4. 4.3285 km WNW of Houma, Tonga · 376 days ago · 521 km deep · 12 km away
  5. 4.2259 km WNW of Houma, Tonga · 379 days ago · 534 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rhnf. Read Sat, Oct 3, 2026, 2:57 PM UTC.