Tonga earthquakes

M4.2 earthquake 274 km WNW of Houma, Tonga

A magnitude 4.2 earthquake struck 274 km WNW of Houma, Tonga on Sat, May 31, 2025, 5:45 PM GMT+13 (04:45 UTC), 503 km (313 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-05-31 04:45:28 UTC
Depth
503.1 km (312.6 mi), deep
Epicenter
20.125° S, 177.689° 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 15.7 km horizontally, 8.4 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
96°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 4.1283 km WNW of Houma, Tonga · 487 days ago · 401 km deep · 15 km away
  2. 4.3274 km W of Houma, Tonga · 482 days ago · 497 km deep · 74 km away
  3. 4.1295 km WNW of Houma, Tonga · 482 days ago · 554 km deep · 25 km away
  4. 4.0284 km WNW of Houma, Tonga · 482 days ago · 497 km deep · 47 km away
  5. 4.7Fiji region · 479 days ago · 549 km deep · 85 km away
  6. 4.3289 km WNW of Houma, Tonga · 478 days ago · 529 km deep · 67 km away
  7. 4.3261 km NW of Houma, Tonga · 475 days ago · 338 km deep · 94 km away
  8. 4.3Fiji region · 473 days ago · 559 km deep · 96 km away
  9. 4.0271 km NW of Houma, Tonga · 466 days ago · 376 km deep · 57 km away
  10. 4.1294 km WNW of Houma, Tonga · 456 days ago · 576 km deep · 20 km away
  11. 4.3Fiji region · 454 days ago · 575 km deep · 91 km away
  12. 4.4Fiji region · 452 days ago · 550 km deep · 60 km away
  13. 4.4Fiji region · 450 days ago · 550 km deep · 34 km away
  14. 4.8Fiji region · 443 days ago · 562 km deep · 74 km away
  15. 4.5Fiji region · 441 days ago · 597 km deep · 95 km away
  16. 4.3Fiji region · 435 days ago · 595 km deep · 76 km away
  17. 3.8257 km NW of Houma, Tonga · 432 days ago · 534 km deep · 51 km away

Before

  1. 4.4268 km NW of Houma, Tonga · 493 days ago · 361 km deep · 49 km away
  2. 4.0272 km W of Houma, Tonga · 493 days ago · 425 km deep · 94 km away
  3. 4.0292 km WNW of Houma, Tonga · 497 days ago · 515 km deep · 26 km away
  4. 4.4239 km WNW of Houma, Tonga · 500 days ago · 502 km deep · 39 km away
  5. 4.5279 km WNW of Houma, Tonga · 501 days ago · 537 km deep · 42 km away
  6. 4.4271 km WNW of Houma, Tonga · 503 days ago · 504 km deep · 18 km away
  7. 4.1293 km WNW of Houma, Tonga · 506 days ago · 597 km deep · 20 km away
  8. 4.4259 km W of Houma, Tonga · 506 days ago · 478 km deep · 69 km away
  9. 4.5258 km WNW of Houma, Tonga · 506 days ago · 513 km deep · 29 km away
  10. 4.1Fiji region · 507 days ago · 498 km deep · 63 km away
  11. 4.5279 km W of Houma, Tonga · 511 days ago · 499 km deep · 76 km away
  12. 4.6Fiji region · 511 days ago · 623 km deep · 63 km away
  13. 4.5292 km WNW of Houma, Tonga · 513 days ago · 496 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000qkmd. Read Sat, Oct 3, 2026, 3:33 AM UTC.