Tonga earthquakes

M4.3 earthquake 256 km WNW of Houma, Tonga

A magnitude 4.3 earthquake struck 256 km WNW of Houma, Tonga on Thu, Oct 12, 2023, 3:09 PM GMT+13 (02:09 UTC), 541 km (336 mi) below the surface.

A larger quake followed: M4.9 284 km WNW of Houma, Tonga. 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-10-12 02:09:02 UTC
Depth
540.5 km (335.9 mi), deep
Epicenter
20.082° S, 177.472° 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 15.0 km horizontally, 11.3 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
87°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.1251 km W of Houma, Tonga · 1079 days ago · 479 km deep · 79 km away
  2. 4.0Fiji region · 1075 days ago · 595 km deep · 99 km away
  3. 4.1Fiji region · 1074 days ago · 517 km deep · 87 km away
  4. 4.3Fiji region · 1074 days ago · 533 km deep · 86 km away
  5. 4.7272 km WNW of Houma, Tonga · 1073 days ago · 518 km deep · 62 km away
  6. 4.5Fiji region · 1073 days ago · 415 km deep · 93 km away
  7. 4.1Fiji region · 1070 days ago · 536 km deep · 62 km away
  8. 4.5Fiji region · 1067 days ago · 584 km deep · 99 km away
  9. 4.1266 km WNW of Houma, Tonga · 1064 days ago · 501 km deep · 59 km away
  10. 4.4272 km WNW of Houma, Tonga · 1063 days ago · 378 km deep · 63 km away
  11. 4.2Fiji region · 1062 days ago · 545 km deep · 86 km away
  12. 4.3256 km WNW of Houma, Tonga · 1060 days ago · 502 km deep · 63 km away
  13. 4.0285 km WNW of Houma, Tonga · 1058 days ago · 496 km deep · 39 km away
  14. 4.2269 km WNW of Houma, Tonga · 1047 days ago · 499 km deep · 38 km away
  15. 4.1274 km WNW of Houma, Tonga · 1046 days ago · 526 km deep · 41 km away
  16. 4.1269 km WNW of Houma, Tonga · 1044 days ago · 493 km deep · 15 km away
  17. 4.1278 km WNW of Houma, Tonga · 1041 days ago · 460 km deep · 63 km away
  18. 4.0264 km WNW of Houma, Tonga · 1041 days ago · 457 km deep · 53 km away
  19. 4.6Fiji region · 1039 days ago · 544 km deep · 82 km away
  20. 4.3277 km WNW of Houma, Tonga · 1037 days ago · 548 km deep · 49 km away
  21. 4.7Fiji region · 1037 days ago · 609 km deep · 83 km away
  22. 4.4258 km WNW of Houma, Tonga · 1036 days ago · 508 km deep · 3 km away
  23. 4.9284 km WNW of Houma, Tonga · 1035 days ago · 533 km deep · 59 km away
  24. 4.2278 km WNW of Houma, Tonga · 1034 days ago · 553 km deep · 66 km away
  25. 4.1274 km WNW of Houma, Tonga · 1032 days ago · 497 km deep · 37 km away
  26. 4.3240 km WNW of Houma, Tonga · 1031 days ago · 508 km deep · 38 km away
  27. 4.4Fiji region · 1031 days ago · 538 km deep · 70 km away
  28. 4.4266 km WNW of Houma, Tonga · 1031 days ago · 369 km deep · 11 km away

Before

  1. 4.7261 km WNW of Houma, Tonga · 1089 days ago · 500 km deep · 22 km away
  2. 4.2297 km WNW of Houma, Tonga · 1091 days ago · 564 km deep · 66 km away
  3. 4.7250 km WNW of Houma, Tonga · 1094 days ago · 503 km deep · 52 km away
  4. 4.3273 km WNW of Houma, Tonga · 1097 days ago · 507 km deep · 36 km away
  5. 4.9Fiji region · 1099 days ago · 596 km deep · 99 km away
  6. 4.4Fiji region · 1100 days ago · 553 km deep · 98 km away
  7. 4.3Fiji region · 1104 days ago · 598 km deep · 70 km away
  8. 4.5257 km WNW of Houma, Tonga · 1104 days ago · 527 km deep · 4 km away
  9. 4.1Fiji region · 1109 days ago · 555 km deep · 100 km away
  10. 4.4Fiji region · 1110 days ago · 567 km deep · 78 km away
  11. 4.4280 km WNW of Houma, Tonga · 1111 days ago · 496 km deep · 24 km away
  12. 4.0284 km WNW of Houma, Tonga · 1112 days ago · 509 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000lge1. Read Fri, Oct 2, 2026, 8:31 AM UTC.