Tonga earthquakes

M4.4 earthquake 239 km WNW of Houma, Tonga

A magnitude 4.4 earthquake struck 239 km WNW of Houma, Tonga on Wed, May 21, 2025, 8:53 PM GMT+13 (07:53 UTC), 502 km (312 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
4.4 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-05-21 07:53:16 UTC
Depth
501.5 km (311.6 mi), deep
Epicenter
20.381° S, 177.439° 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 15.2 km horizontally, 10.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
131°
Stations used
35

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. 4.2173 km W of Houma, Tonga · 499 days ago · 330 km deep · 86 km away
  2. 4.0292 km WNW of Houma, Tonga · 497 days ago · 515 km deep · 53 km away
  3. 4.0272 km W of Houma, Tonga · 494 days ago · 425 km deep · 79 km away
  4. 4.4268 km NW of Houma, Tonga · 493 days ago · 361 km deep · 68 km away
  5. 4.2274 km WNW of Houma, Tonga · 490 days ago · 503 km deep · 39 km away
  6. 4.1283 km WNW of Houma, Tonga · 488 days ago · 401 km deep · 52 km away
  7. 4.3274 km W of Houma, Tonga · 482 days ago · 497 km deep · 64 km away
  8. 4.1295 km WNW of Houma, Tonga · 482 days ago · 554 km deep · 63 km away
  9. 4.0284 km WNW of Houma, Tonga · 482 days ago · 497 km deep · 52 km away
  10. 4.7Fiji region · 479 days ago · 549 km deep · 100 km away
  11. 4.3289 km WNW of Houma, Tonga · 478 days ago · 529 km deep · 68 km away
  12. 4.0271 km NW of Houma, Tonga · 466 days ago · 376 km deep · 76 km away
  13. 4.1294 km WNW of Houma, Tonga · 456 days ago · 576 km deep · 59 km away
  14. 4.4Fiji region · 452 days ago · 550 km deep · 72 km away
  15. 4.4Fiji region · 450 days ago · 550 km deep · 73 km away
  16. 4.8Fiji region · 443 days ago · 562 km deep · 90 km away

Before

  1. 4.5279 km WNW of Houma, Tonga · 501 days ago · 537 km deep · 47 km away
  2. 4.4271 km WNW of Houma, Tonga · 503 days ago · 504 km deep · 33 km away
  3. 4.1293 km WNW of Houma, Tonga · 506 days ago · 597 km deep · 58 km away
  4. 4.4259 km W of Houma, Tonga · 506 days ago · 478 km deep · 52 km away
  5. 4.5258 km WNW of Houma, Tonga · 506 days ago · 513 km deep · 21 km away
  6. 4.1Fiji region · 507 days ago · 498 km deep · 84 km away
  7. 4.5279 km W of Houma, Tonga · 511 days ago · 499 km deep · 68 km away
  8. 4.6Fiji region · 511 days ago · 623 km deep · 97 km away
  9. 4.5292 km WNW of Houma, Tonga · 513 days ago · 496 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000q0i7. Read Sat, Oct 3, 2026, 7:36 AM UTC.