Tonga earthquakes

M4.1 earthquake 294 km WNW of Houma, Tonga

A magnitude 4.1 earthquake struck 294 km WNW of Houma, Tonga on Sat, Jul 5, 2025, 12:22 AM GMT+13 (11:22 UTC), 576 km (358 mi) below the surface.

A larger quake followed: M4.8 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-07-04 11:22:32 UTC
Depth
576.5 km (358.2 mi), deep
Epicenter
20.007° S, 177.838° 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 16.0 km horizontally, 12.1 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
37

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 9 in the 30 days before it.

After

  1. 4.3Fiji region · 454 days ago · 575 km deep · 82 km away
  2. 4.4Fiji region · 452 days ago · 550 km deep · 60 km away
  3. 4.4Fiji region · 450 days ago · 550 km deep · 14 km away
  4. 4.8Fiji region · 443 days ago · 562 km deep · 70 km away
  5. 4.3Fiji region · 443 days ago · 599 km deep · 96 km away
  6. 4.5Fiji region · 441 days ago · 597 km deep · 85 km away
  7. 4.3Fiji region · 435 days ago · 595 km deep · 65 km away
  8. 3.8257 km NW of Houma, Tonga · 432 days ago · 534 km deep · 58 km away
  9. 4.3Fiji region · 425 days ago · 555 km deep · 70 km away
  10. 4.2247 km WNW of Houma, Tonga · 415 days ago · 528 km deep · 62 km away
  11. 4.4263 km WNW of Houma, Tonga · 409 days ago · 510 km deep · 32 km away
  12. 4.5271 km WNW of Houma, Tonga · 405 days ago · 505 km deep · 29 km away
  13. 4.2288 km WNW of Houma, Tonga · 403 days ago · 562 km deep · 19 km away
  14. 4.4265 km WNW of Houma, Tonga · 400 days ago · 493 km deep · 39 km away
  15. 4.4267 km WNW of Houma, Tonga · 398 days ago · 508 km deep · 36 km away
  16. 4.3Fiji region · 397 days ago · 420 km deep · 80 km away

Before

  1. 4.3Fiji region · 461 days ago · 600 km deep · 98 km away
  2. 4.0271 km NW of Houma, Tonga · 466 days ago · 376 km deep · 58 km away
  3. 4.3Fiji region · 473 days ago · 559 km deep · 87 km away
  4. 4.3261 km NW of Houma, Tonga · 475 days ago · 338 km deep · 98 km away
  5. 4.3289 km WNW of Houma, Tonga · 478 days ago · 529 km deep · 73 km away
  6. 4.7Fiji region · 479 days ago · 549 km deep · 80 km away
  7. 4.0284 km WNW of Houma, Tonga · 482 days ago · 497 km deep · 53 km away
  8. 4.1295 km WNW of Houma, Tonga · 482 days ago · 554 km deep · 9 km away
  9. 4.3274 km W of Houma, Tonga · 482 days ago · 497 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000qctw. Read Sat, Oct 3, 2026, 3:37 AM UTC.