Tonga earthquakes

M4.2 earthquake 259 km WNW of Houma, Tonga

A magnitude 4.2 earthquake struck 259 km WNW of Houma, Tonga on Fri, Sep 19, 2025, 8:46 PM GMT+13 (07:46 UTC), 534 km (332 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-09-19 07:46:02 UTC
Depth
533.7 km (331.6 mi), deep
Epicenter
20.550° S, 177.711° 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 14.7 km horizontally, 10.3 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
151°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.3285 km WNW of Houma, Tonga · 376 days ago · 521 km deep · 28 km away
  2. 4.6Fiji region · 371 days ago · 615 km deep · 100 km away
  3. 4.2264 km WNW of Houma, Tonga · 363 days ago · 467 km deep · 12 km away
  4. 4.2252 km WNW of Houma, Tonga · 361 days ago · 549 km deep · 14 km away
  5. 4.4276 km WNW of Houma, Tonga · 352 days ago · 524 km deep · 24 km away
  6. 4.2Fiji region · 351 days ago · 478 km deep · 82 km away
  7. 4.2277 km WNW of Houma, Tonga · 349 days ago · 487 km deep · 19 km away
  8. 4.4Fiji region · 348 days ago · 408 km deep · 96 km away
  9. 4.4297 km WNW of Houma, Tonga · 346 days ago · 532 km deep · 37 km away
  10. 4.4277 km W of Houma, Tonga · 345 days ago · 475 km deep · 44 km away
  11. 4.7293 km WNW of Houma, Tonga · 343 days ago · 530 km deep · 34 km away
  12. 4.4Fiji region · 336 days ago · 551 km deep · 59 km away
  13. 4.4Fiji region · 333 days ago · 559 km deep · 67 km away
  14. 4.4Fiji region · 328 days ago · 540 km deep · 62 km away
  15. 4.3274 km WNW of Houma, Tonga · 325 days ago · 521 km deep · 43 km away
  16. 4.5Fiji region · 322 days ago · 526 km deep · 43 km away

Before

  1. 4.0297 km WNW of Houma, Tonga · 386 days ago · 517 km deep · 39 km away
  2. 4.2Fiji region · 390 days ago · 591 km deep · 75 km away
  3. 4.4Fiji region · 392 days ago · 576 km deep · 48 km away
  4. 4.4277 km WNW of Houma, Tonga · 394 days ago · 550 km deep · 19 km away
  5. 4.7274 km WNW of Houma, Tonga · 395 days ago · 532 km deep · 14 km away
  6. 4.4297 km WNW of Houma, Tonga · 395 days ago · 430 km deep · 64 km away
  7. 4.7257 km WNW of Houma, Tonga · 396 days ago · 470 km deep · 23 km away
  8. 4.4267 km WNW of Houma, Tonga · 398 days ago · 508 km deep · 27 km away
  9. 4.4265 km WNW of Houma, Tonga · 400 days ago · 493 km deep · 25 km away
  10. 4.2288 km WNW of Houma, Tonga · 403 days ago · 562 km deep · 45 km away
  11. 4.5271 km WNW of Houma, Tonga · 406 days ago · 505 km deep · 35 km away
  12. 4.4263 km WNW of Houma, Tonga · 409 days ago · 510 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rgb3. Read Sat, Oct 3, 2026, 12:16 PM UTC.