Tonga earthquakes

M4.7 earthquake 243 km WNW of Houma, Tonga

A magnitude 4.7 earthquake struck 243 km WNW of Houma, Tonga on Mon, Feb 23, 2026, 10:15 PM GMT+13 (09:15 UTC), 378 km (235 mi) below the surface.

A larger quake followed: M4.9 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-02-23 09:15:01 UTC
Depth
378.4 km (235.1 mi), deep
Epicenter
20.220° S, 177.409° 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 7.8 km horizontally, 5.6 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
77°
Stations used
85

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 26 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.1290 km WNW of Houma, Tonga · 219 days ago · 508 km deep · 72 km away
  2. 4.1293 km NW of Houma, Tonga · 219 days ago · 567 km deep · 62 km away
  3. 4.4273 km WNW of Houma, Tonga · 219 days ago · 503 km deep · 63 km away
  4. 4.1294 km WNW of Houma, Tonga · 218 days ago · 561 km deep · 51 km away
  5. 4.3268 km WNW of Houma, Tonga · 218 days ago · 539 km deep · 26 km away
  6. 4.3294 km NW of Houma, Tonga · 211 days ago · 570 km deep · 81 km away
  7. 4.7259 km WNW of Houma, Tonga · 208 days ago · 552 km deep · 16 km away
  8. 4.4263 km WNW of Houma, Tonga · 208 days ago · 529 km deep · 20 km away
  9. 4.3256 km WNW of Houma, Tonga · 204 days ago · 518 km deep · 54 km away
  10. 4.2282 km WNW of Houma, Tonga · 201 days ago · 541 km deep · 41 km away
  11. 4.2293 km NW of Houma, Tonga · 201 days ago · 543 km deep · 75 km away
  12. 4.5Fiji region · 200 days ago · 572 km deep · 99 km away · felt by 2
  13. 4.1281 km WNW of Houma, Tonga · 199 days ago · 553 km deep · 40 km away
  14. 4.4285 km WNW of Houma, Tonga · 199 days ago · 498 km deep · 79 km away
  15. 4.3287 km WNW of Houma, Tonga · 197 days ago · 515 km deep · 59 km away
  16. 4.1Fiji region · 194 days ago · 571 km deep · 89 km away
  17. 4.2Fiji region · 192 days ago · 617 km deep · 96 km away
  18. 4.2Fiji region · 187 days ago · 546 km deep · 87 km away
  19. 4.5291 km WNW of Houma, Tonga · 187 days ago · 520 km deep · 68 km away
  20. 4.7289 km WNW of Houma, Tonga · 187 days ago · 548 km deep · 77 km away
  21. 4.6247 km WNW of Houma, Tonga · 185 days ago · 544 km deep · 6 km away
  22. 4.2Fiji region · 180 days ago · 534 km deep · 76 km away
  23. 4.9Fiji region · 178 days ago · 531 km deep · 91 km away
  24. 4.0272 km WNW of Houma, Tonga · 173 days ago · 550 km deep · 52 km away
  25. 4.6289 km WNW of Houma, Tonga · 172 days ago · 546 km deep · 64 km away
  26. 4.0281 km WNW of Houma, Tonga · 170 days ago · 509 km deep · 47 km away

Before

  1. 4.3272 km WNW of Houma, Tonga · 225 days ago · 10 km deep · 43 km away
  2. 4.1268 km WNW of Houma, Tonga · 230 days ago · 611 km deep · 44 km away
  3. 4.2Fiji region · 232 days ago · 601 km deep · 89 km away
  4. 4.6Fiji region · 232 days ago · 597 km deep · 93 km away
  5. 4.3280 km WNW of Houma, Tonga · 232 days ago · 542 km deep · 76 km away
  6. 4.1Fiji region · 237 days ago · 561 km deep · 94 km away
  7. 4.4295 km WNW of Houma, Tonga · 244 days ago · 508 km deep · 53 km away
  8. 4.4269 km WNW of Houma, Tonga · 246 days ago · 533 km deep · 36 km away
  9. 4.6Fiji region · 248 days ago · 533 km deep · 89 km away
  10. 4.5186 km WNW of Houma, Tonga · 250 days ago · 270 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000sb07. Read Sun, Oct 4, 2026, 9:03 AM UTC.