Tonga earthquakes

M4.2 earthquake 284 km WNW of Houma, Tonga

A magnitude 4.2 earthquake struck 284 km WNW of Houma, Tonga on Sat, Feb 18, 2023, 2:57 PM GMT+13 (01:57 UTC), 389 km (242 mi) below the surface.

A larger quake followed: M4.7 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
2023-02-18 01:57:02 UTC
Depth
388.9 km (241.6 mi), deep
Epicenter
19.794° S, 177.607° 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 4.7 km horizontally, 7.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
58°
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: 31 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.3Fiji region · 1322 days ago · 556 km deep · 79 km away
  2. 4.4250 km NW of Houma, Tonga · 1321 days ago · 345 km deep · 86 km away
  3. 4.3297 km NW of Houma, Tonga · 1319 days ago · 596 km deep · 67 km away
  4. 4.6255 km WNW of Houma, Tonga · 1318 days ago · 525 km deep · 74 km away
  5. 4.1Fiji region · 1316 days ago · 488 km deep · 75 km away
  6. 4.4298 km WNW of Houma, Tonga · 1315 days ago · 527 km deep · 67 km away
  7. 4.1Fiji region · 1312 days ago · 567 km deep · 61 km away
  8. 4.3Fiji region · 1310 days ago · 565 km deep · 94 km away
  9. 4.4Fiji region · 1308 days ago · 510 km deep · 35 km away
  10. 4.1274 km WNW of Houma, Tonga · 1304 days ago · 515 km deep · 55 km away
  11. 4.2Fiji region · 1304 days ago · 573 km deep · 90 km away
  12. 4.3223 km WNW of Houma, Tonga · 1304 days ago · 525 km deep · 78 km away
  13. 4.1282 km WNW of Houma, Tonga · 1303 days ago · 522 km deep · 61 km away
  14. 4.1Fiji region · 1303 days ago · 412 km deep · 22 km away
  15. 4.3279 km WNW of Houma, Tonga · 1302 days ago · 456 km deep · 80 km away
  16. 4.1Fiji region · 1300 days ago · 317 km deep · 73 km away
  17. 4.2Fiji region · 1298 days ago · 593 km deep · 79 km away
  18. 4.2288 km WNW of Houma, Tonga · 1295 days ago · 504 km deep · 9 km away
  19. 4.3Fiji region · 1292 days ago · 611 km deep · 73 km away
  20. 4.4Fiji region · 1290 days ago · 553 km deep · 81 km away
  21. 4.4299 km WNW of Houma, Tonga · 1287 days ago · 484 km deep · 94 km away
  22. 4.7Fiji region · 1287 days ago · 523 km deep · 69 km away
  23. 4.2Fiji region · 1284 days ago · 550 km deep · 37 km away
  24. 4.0267 km NW of Houma, Tonga · 1282 days ago · 563 km deep · 28 km away
  25. 4.2Fiji region · 1279 days ago · 535 km deep · 21 km away
  26. 4.2270 km WNW of Houma, Tonga · 1278 days ago · 488 km deep · 51 km away
  27. 4.1Fiji region · 1275 days ago · 542 km deep · 93 km away
  28. 4.3295 km NW of Houma, Tonga · 1268 days ago · 398 km deep · 13 km away
  29. 4.4286 km WNW of Houma, Tonga · 1266 days ago · 517 km deep · 2 km away
  30. 4.1269 km WNW of Houma, Tonga · 1265 days ago · 347 km deep · 70 km away
  31. 4.2272 km WNW of Houma, Tonga · 1263 days ago · 520 km deep · 51 km away

Before

  1. 4.6258 km WNW of Houma, Tonga · 1325 days ago · 583 km deep · 26 km away
  2. 4.2273 km WNW of Houma, Tonga · 1325 days ago · 407 km deep · 80 km away
  3. 4.9Fiji region · 1325 days ago · 552 km deep · 95 km away
  4. 4.4260 km WNW of Houma, Tonga · 1326 days ago · 498 km deep · 53 km away
  5. 4.0Fiji region · 1339 days ago · 567 km deep · 71 km away
  6. 4.2287 km WNW of Haveluloto, Tonga · 1339 days ago · 561 km deep · 23 km away
  7. 4.3290 km WNW of Haveluloto, Tonga · 1345 days ago · 556 km deep · 68 km away
  8. 4.3281 km WNW of Haveluloto, Tonga · 1346 days ago · 487 km deep · 44 km away
  9. 4.4261 km WNW of Haveluloto, Tonga · 1347 days ago · 384 km deep · 96 km away
  10. 4.3Fiji region · 1348 days ago · 576 km deep · 79 km away
  11. 4.6Fiji region · 1348 days ago · 387 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jptq. Read Fri, Oct 2, 2026, 3:03 AM UTC.