Tonga earthquakes

M4.2 earthquake 247 km WNW of Houma, Tonga

A magnitude 4.2 earthquake struck 247 km WNW of Houma, Tonga on Thu, Aug 14, 2025, 3:13 PM GMT+13 (02:13 UTC), 528 km (328 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-08-14 02:13:46 UTC
Depth
528.3 km (328.3 mi), deep
Epicenter
20.507° S, 177.575° 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 15.9 km horizontally, 12.5 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
101°
Stations used
31

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 5 in the 30 days before it.

After

  1. 4.4263 km WNW of Houma, Tonga · 409 days ago · 510 km deep · 34 km away
  2. 4.5271 km WNW of Houma, Tonga · 406 days ago · 505 km deep · 33 km away
  3. 4.2288 km WNW of Houma, Tonga · 403 days ago · 562 km deep · 48 km away
  4. 4.4265 km WNW of Houma, Tonga · 401 days ago · 493 km deep · 23 km away
  5. 4.4267 km WNW of Houma, Tonga · 398 days ago · 508 km deep · 26 km away
  6. 4.7257 km WNW of Houma, Tonga · 396 days ago · 470 km deep · 17 km away
  7. 4.4297 km WNW of Houma, Tonga · 395 days ago · 430 km deep · 65 km away
  8. 4.7274 km WNW of Houma, Tonga · 395 days ago · 532 km deep · 27 km away
  9. 4.4277 km WNW of Houma, Tonga · 395 days ago · 550 km deep · 30 km away
  10. 4.4Fiji region · 393 days ago · 576 km deep · 57 km away
  11. 4.2Fiji region · 390 days ago · 591 km deep · 89 km away
  12. 4.0297 km WNW of Houma, Tonga · 386 days ago · 517 km deep · 53 km away
  13. 4.2259 km WNW of Houma, Tonga · 379 days ago · 534 km deep · 15 km away
  14. 4.3285 km WNW of Houma, Tonga · 376 days ago · 521 km deep · 38 km away
  15. 4.2264 km WNW of Houma, Tonga · 363 days ago · 467 km deep · 17 km away
  16. 4.2252 km WNW of Houma, Tonga · 361 days ago · 549 km deep · 20 km away

Before

  1. 4.3Fiji region · 426 days ago · 555 km deep · 75 km away
  2. 4.2Fiji region · 429 days ago · 566 km deep · 94 km away
  3. 3.8257 km NW of Houma, Tonga · 433 days ago · 534 km deep · 81 km away
  4. 4.3Fiji region · 436 days ago · 595 km deep · 90 km away
  5. 4.8Fiji region · 443 days ago · 562 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000qust. Read Sat, Oct 3, 2026, 6:14 PM UTC.