Tonga earthquakes

M4.0 earthquake 297 km WNW of Houma, Tonga

A magnitude 4.0 earthquake struck 297 km WNW of Houma, Tonga on Sat, Sep 13, 2025, 8:56 AM GMT+13 (19:56 UTC), 517 km (321 mi) below the surface.

A larger quake followed: M4.7 293 km WNW of Houma, Tonga. 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-09-12 19:56:21 UTC
Depth
516.8 km (321.1 mi), deep
Epicenter
20.555° S, 178.085° 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 9.1 km horizontally, 10.0 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
99°
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: 19 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 4.2259 km WNW of Houma, Tonga · 380 days ago · 534 km deep · 39 km away
  2. 4.3285 km WNW of Houma, Tonga · 377 days ago · 521 km deep · 26 km away
  3. 4.6Fiji region · 373 days ago · 615 km deep · 61 km away
  4. 4.4Fiji region · 366 days ago · 591 km deep · 82 km away
  5. 4.2264 km WNW of Houma, Tonga · 364 days ago · 467 km deep · 39 km away
  6. 4.2252 km WNW of Houma, Tonga · 362 days ago · 549 km deep · 45 km away
  7. 4.5Fiji region · 360 days ago · 600 km deep · 67 km away
  8. 3.9Fiji region · 355 days ago · 482 km deep · 92 km away
  9. 4.4276 km WNW of Houma, Tonga · 353 days ago · 524 km deep · 37 km away
  10. 4.2Fiji region · 352 days ago · 478 km deep · 75 km away
  11. 4.2277 km WNW of Houma, Tonga · 350 days ago · 487 km deep · 20 km away
  12. 4.4297 km WNW of Houma, Tonga · 347 days ago · 532 km deep · 11 km away
  13. 4.4277 km W of Houma, Tonga · 346 days ago · 475 km deep · 38 km away
  14. 4.7293 km WNW of Houma, Tonga · 344 days ago · 530 km deep · 10 km away
  15. 4.1296 km SE of Levuka, Fiji · 338 days ago · 623 km deep · 95 km away
  16. 4.4Fiji region · 337 days ago · 551 km deep · 30 km away
  17. 4.4Fiji region · 334 days ago · 559 km deep · 66 km away
  18. 4.3Fiji region · 330 days ago · 587 km deep · 68 km away
  19. 4.4Fiji region · 330 days ago · 540 km deep · 23 km away

Before

  1. 4.2Fiji region · 391 days ago · 591 km deep · 36 km away
  2. 4.4Fiji region · 393 days ago · 576 km deep · 33 km away
  3. 4.2Fiji region · 394 days ago · 613 km deep · 76 km away
  4. 4.4277 km WNW of Houma, Tonga · 396 days ago · 550 km deep · 27 km away
  5. 4.7274 km WNW of Houma, Tonga · 396 days ago · 532 km deep · 26 km away
  6. 4.4297 km WNW of Houma, Tonga · 396 days ago · 430 km deep · 67 km away
  7. 4.7257 km WNW of Houma, Tonga · 397 days ago · 470 km deep · 53 km away
  8. 4.3Fiji region · 397 days ago · 554 km deep · 73 km away
  9. 4.5Fiji region · 397 days ago · 548 km deep · 75 km away
  10. 4.4267 km WNW of Houma, Tonga · 399 days ago · 508 km deep · 49 km away
  11. 4.4265 km WNW of Houma, Tonga · 402 days ago · 493 km deep · 49 km away
  12. 4.2288 km WNW of Houma, Tonga · 404 days ago · 562 km deep · 48 km away
  13. 4.5271 km WNW of Houma, Tonga · 407 days ago · 505 km deep · 53 km away
  14. 4.4263 km WNW of Houma, Tonga · 410 days ago · 510 km deep · 63 km away
  15. 4.2247 km WNW of Houma, Tonga · 417 days ago · 528 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000relm. Read Sun, Oct 4, 2026, 3:37 PM UTC.