Tonga earthquakes

M4.3 earthquake 297 km W of Houma, Tonga

A magnitude 4.3 earthquake struck 297 km W of Houma, Tonga on Fri, Sep 29, 2023, 1:24 PM GMT+13 (00:24 UTC), 623 km (387 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-09-29 00:24:12 UTC
Depth
623.3 km (387.3 mi), deep
Epicenter
20.788° S, 178.131° 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 12.3 km horizontally, 7.8 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
81°
Stations used
24

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 15 in the 30 days before it.

After

  1. 4.3Fiji region · 1098 days ago · 538 km deep · 91 km away
  2. 4.3298 km W of Houma, Tonga · 1097 days ago · 380 km deep · 72 km away
  3. 4.3273 km WNW of Houma, Tonga · 1097 days ago · 507 km deep · 69 km away
  4. 4.6Fiji region · 1096 days ago · 598 km deep · 62 km away
  5. 4.1Fiji region · 1094 days ago · 629 km deep · 72 km away
  6. 4.7250 km WNW of Houma, Tonga · 1094 days ago · 503 km deep · 61 km away
  7. 4.2297 km WNW of Houma, Tonga · 1091 days ago · 564 km deep · 49 km away
  8. 4.7261 km WNW of Houma, Tonga · 1089 days ago · 500 km deep · 82 km away
  9. 4.1251 km W of Houma, Tonga · 1079 days ago · 479 km deep · 47 km away
  10. 4.4Fiji region · 1078 days ago · 556 km deep · 79 km away
  11. 4.0Fiji region · 1075 days ago · 595 km deep · 61 km away
  12. 4.3Fiji region · 1074 days ago · 533 km deep · 31 km away
  13. 4.7272 km WNW of Houma, Tonga · 1073 days ago · 518 km deep · 42 km away
  14. 4.1Fiji region · 1070 days ago · 536 km deep · 73 km away
  15. 4.5Fiji region · 1067 days ago · 584 km deep · 85 km away
  16. 4.1266 km WNW of Houma, Tonga · 1064 days ago · 501 km deep · 47 km away
  17. 4.4272 km WNW of Houma, Tonga · 1063 days ago · 378 km deep · 41 km away
  18. 4.1Fiji region · 1063 days ago · 552 km deep · 72 km away
  19. 4.3256 km WNW of Houma, Tonga · 1060 days ago · 502 km deep · 50 km away
  20. 4.0285 km WNW of Houma, Tonga · 1058 days ago · 496 km deep · 74 km away
  21. 4.1Fiji region · 1058 days ago · 506 km deep · 81 km away
  22. 4.4Fiji region · 1058 days ago · 597 km deep · 49 km away
  23. 4.8Fiji region · 1055 days ago · 561 km deep · 29 km away
  24. 4.9Fiji region · 1051 days ago · 590 km deep · 69 km away
  25. 4.4Fiji region · 1051 days ago · 594 km deep · 59 km away
  26. 4.2269 km WNW of Houma, Tonga · 1047 days ago · 499 km deep · 66 km away
  27. 4.1274 km WNW of Houma, Tonga · 1046 days ago · 526 km deep · 64 km away
  28. 4.1269 km WNW of Houma, Tonga · 1044 days ago · 493 km deep · 94 km away
  29. 4.2260 km W of Houma, Tonga · 1043 days ago · 409 km deep · 66 km away
  30. 4.1278 km WNW of Houma, Tonga · 1042 days ago · 460 km deep · 41 km away
  31. 4.0264 km WNW of Houma, Tonga · 1041 days ago · 457 km deep · 53 km away

Before

  1. 4.5Fiji region · 1108 days ago · 542 km deep · 25 km away
  2. 4.0284 km WNW of Houma, Tonga · 1112 days ago · 509 km deep · 99 km away
  3. 4.3Fiji region · 1112 days ago · 600 km deep · 88 km away
  4. 4.0244 km W of Houma, Tonga · 1114 days ago · 389 km deep · 71 km away
  5. 4.5Fiji region · 1114 days ago · 511 km deep · 73 km away
  6. 4.1Fiji region · 1117 days ago · 524 km deep · 58 km away
  7. 4.0299 km WNW of Houma, Tonga · 1118 days ago · 559 km deep · 85 km away
  8. 4.5Fiji region · 1119 days ago · 561 km deep · 69 km away
  9. 4.2Fiji region · 1119 days ago · 525 km deep · 38 km away
  10. 4.5286 km WNW of Houma, Tonga · 1120 days ago · 494 km deep · 74 km away
  11. 4.3Fiji region · 1120 days ago · 561 km deep · 65 km away
  12. 4.4Fiji region · 1121 days ago · 527 km deep · 57 km away
  13. 4.3Fiji region · 1122 days ago · 568 km deep · 54 km away
  14. 4.1Fiji region · 1123 days ago · 602 km deep · 51 km away
  15. 4.2Fiji region · 1123 days ago · 531 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ld29. Read Fri, Oct 2, 2026, 9:14 AM UTC.