Tonga earthquakes

M4.1 earthquake 287 km NW of Houma, Tonga

A magnitude 4.1 earthquake struck 287 km NW of Houma, Tonga on Fri, Sep 8, 2023, 3:11 PM GMT+13 (02:11 UTC), 552 km (343 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-09-08 02:11:32 UTC
Depth
551.7 km (342.8 mi), deep
Epicenter
19.614° S, 177.512° 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, 8.0 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
54°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 4.5286 km WNW of Houma, Tonga · 1120 days ago · 494 km deep · 72 km away
  2. 4.0299 km WNW of Houma, Tonga · 1118 days ago · 559 km deep · 64 km away
  3. 4.3Fiji region · 1114 days ago · 581 km deep · 90 km away
  4. 4.0284 km WNW of Houma, Tonga · 1112 days ago · 509 km deep · 47 km away
  5. 4.4280 km WNW of Houma, Tonga · 1111 days ago · 496 km deep · 44 km away
  6. 4.4Fiji region · 1110 days ago · 567 km deep · 33 km away
  7. 4.1Fiji region · 1109 days ago · 555 km deep · 48 km away
  8. 4.5257 km WNW of Houma, Tonga · 1104 days ago · 527 km deep · 48 km away
  9. 4.3Fiji region · 1103 days ago · 598 km deep · 55 km away
  10. 4.8296 km ESE of Levuka, Fiji · 1101 days ago · 614 km deep · 95 km away
  11. 4.4Fiji region · 1099 days ago · 553 km deep · 46 km away
  12. 4.9Fiji region · 1099 days ago · 596 km deep · 57 km away
  13. 4.3273 km WNW of Houma, Tonga · 1096 days ago · 507 km deep · 78 km away
  14. 4.0Fiji region · 1095 days ago · 571 km deep · 51 km away
  15. 4.5274 km NW of Houma, Tonga · 1095 days ago · 312 km deep · 69 km away
  16. 4.2297 km WNW of Houma, Tonga · 1091 days ago · 564 km deep · 99 km away
  17. 4.7261 km WNW of Houma, Tonga · 1089 days ago · 500 km deep · 70 km away
  18. 4.3256 km WNW of Houma, Tonga · 1086 days ago · 541 km deep · 52 km away
  19. 4.3Fiji region · 1083 days ago · 591 km deep · 92 km away
  20. 4.2Fiji region · 1082 days ago · 409 km deep · 82 km away
  21. 4.2Fiji region · 1082 days ago · 574 km deep · 53 km away
  22. 4.1Fiji region · 1074 days ago · 517 km deep · 77 km away
  23. 4.5Fiji region · 1073 days ago · 415 km deep · 43 km away
  24. 4.1Fiji region · 1070 days ago · 536 km deep · 82 km away
  25. 4.2Fiji region · 1062 days ago · 545 km deep · 34 km away
  26. 4.0Fiji region · 1061 days ago · 556 km deep · 58 km away

Before

  1. 4.4Fiji region · 1121 days ago · 527 km deep · 99 km away
  2. 4.1Fiji region · 1122 days ago · 557 km deep · 50 km away
  3. 4.2Fiji region · 1122 days ago · 531 km deep · 70 km away
  4. 4.3Fiji region · 1125 days ago · 532 km deep · 25 km away
  5. 4.3Fiji region · 1125 days ago · 598 km deep · 57 km away
  6. 4.0289 km WNW of Houma, Tonga · 1128 days ago · 540 km deep · 30 km away
  7. 4.0283 km WNW of Houma, Tonga · 1130 days ago · 516 km deep · 83 km away
  8. 4.5259 km WNW of Houma, Tonga · 1131 days ago · 529 km deep · 91 km away
  9. 4.3241 km WNW of Houma, Tonga · 1138 days ago · 504 km deep · 97 km away
  10. 4.3262 km WNW of Houma, Tonga · 1138 days ago · 376 km deep · 31 km away · felt by 1
  11. 4.2Fiji region · 1141 days ago · 596 km deep · 81 km away
  12. 4.5265 km WNW of Houma, Tonga · 1143 days ago · 493 km deep · 80 km away
  13. 4.0Fiji region · 1143 days ago · 578 km deep · 72 km away
  14. 4.0283 km WNW of Houma, Tonga · 1144 days ago · 502 km deep · 57 km away
  15. 4.2282 km WNW of Houma, Tonga · 1146 days ago · 528 km deep · 58 km away
  16. 4.3268 km WNW of Houma, Tonga · 1147 days ago · 529 km deep · 77 km away
  17. 4.2Fiji region · 1147 days ago · 539 km deep · 75 km away
  18. 4.4296 km WNW of Houma, Tonga · 1148 days ago · 536 km deep · 79 km away
  19. 4.1264 km WNW of Houma, Tonga · 1150 days ago · 557 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kvjb. Read Fri, Oct 2, 2026, 5:31 AM UTC.