Tonga earthquakes

M4.5 earthquake 271 km WNW of Houma, Tonga

A magnitude 4.5 earthquake struck 271 km WNW of Houma, Tonga on Sun, Aug 24, 2025, 9:38 AM GMT+13 (20:38 UTC), 505 km (314 mi) below the surface.

A larger quake followed: M4.7 257 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
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-08-23 20:38:44 UTC
Depth
505.1 km (313.9 mi), deep
Epicenter
20.238° S, 177.708° 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 13.5 km horizontally, 6.5 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
72°
Stations used
55

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 6 in the 30 days before it.

After

  1. 4.2288 km WNW of Houma, Tonga · 404 days ago · 562 km deep · 18 km away
  2. 4.4265 km WNW of Houma, Tonga · 401 days ago · 493 km deep · 10 km away
  3. 4.4267 km WNW of Houma, Tonga · 399 days ago · 508 km deep · 7 km away
  4. 4.7257 km WNW of Houma, Tonga · 396 days ago · 470 km deep · 16 km away
  5. 4.4297 km WNW of Houma, Tonga · 396 days ago · 430 km deep · 32 km away
  6. 4.7274 km WNW of Houma, Tonga · 396 days ago · 532 km deep · 32 km away
  7. 4.4277 km WNW of Houma, Tonga · 395 days ago · 550 km deep · 28 km away
  8. 4.4Fiji region · 393 days ago · 576 km deep · 36 km away
  9. 4.2Fiji region · 390 days ago · 591 km deep · 85 km away
  10. 4.0297 km WNW of Houma, Tonga · 386 days ago · 517 km deep · 53 km away
  11. 4.2259 km WNW of Houma, Tonga · 380 days ago · 534 km deep · 35 km away
  12. 4.3285 km WNW of Houma, Tonga · 377 days ago · 521 km deep · 27 km away
  13. 4.2264 km WNW of Houma, Tonga · 364 days ago · 467 km deep · 23 km away
  14. 4.2252 km WNW of Houma, Tonga · 362 days ago · 549 km deep · 48 km away
  15. 4.4276 km WNW of Houma, Tonga · 352 days ago · 524 km deep · 16 km away
  16. 4.2Fiji region · 352 days ago · 478 km deep · 53 km away
  17. 4.2277 km WNW of Houma, Tonga · 350 days ago · 487 km deep · 43 km away
  18. 4.4Fiji region · 349 days ago · 408 km deep · 62 km away
  19. 4.4297 km WNW of Houma, Tonga · 347 days ago · 532 km deep · 44 km away

Before

  1. 4.4263 km WNW of Houma, Tonga · 410 days ago · 510 km deep · 11 km away
  2. 4.2247 km WNW of Houma, Tonga · 416 days ago · 528 km deep · 33 km away
  3. 4.3Fiji region · 426 days ago · 555 km deep · 67 km away
  4. 4.2Fiji region · 429 days ago · 566 km deep · 99 km away
  5. 3.8257 km NW of Houma, Tonga · 433 days ago · 534 km deep · 62 km away
  6. 4.3Fiji region · 436 days ago · 595 km deep · 72 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000r3dr. Read Sun, Oct 4, 2026, 5:39 AM UTC.