Tonga earthquakes

M4.1 earthquake 292 km NW of Houma, Tonga

A magnitude 4.1 earthquake struck 292 km NW of Houma, Tonga on Thu, Jul 20, 2023, 12:27 AM GMT+13 (11:27 UTC), 545 km (339 mi) below the surface.

A larger quake followed: M4.5 265 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-07-19 11:27:43 UTC
Depth
545.1 km (338.7 mi), deep
Epicenter
19.644° S, 177.586° 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 12.6 km horizontally, 8.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
113°
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: 27 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.4Fiji region · 1159 days ago · 394 km deep · 76 km away
  2. 4.1Fiji region · 1158 days ago · 565 km deep · 81 km away
  3. 4.1Fiji region · 1153 days ago · 420 km deep · 19 km away
  4. 4.1264 km WNW of Houma, Tonga · 1150 days ago · 557 km deep · 52 km away
  5. 4.4296 km WNW of Houma, Tonga · 1148 days ago · 536 km deep · 72 km away
  6. 4.2Fiji region · 1147 days ago · 539 km deep · 67 km away
  7. 4.3268 km WNW of Houma, Tonga · 1146 days ago · 529 km deep · 72 km away
  8. 4.2282 km WNW of Houma, Tonga · 1146 days ago · 528 km deep · 52 km away
  9. 4.0283 km WNW of Houma, Tonga · 1144 days ago · 502 km deep · 50 km away
  10. 4.0Fiji region · 1143 days ago · 578 km deep · 65 km away
  11. 4.5265 km WNW of Houma, Tonga · 1143 days ago · 493 km deep · 75 km away
  12. 4.2Fiji region · 1141 days ago · 596 km deep · 73 km away
  13. 4.3262 km WNW of Houma, Tonga · 1138 days ago · 376 km deep · 32 km away · felt by 1
  14. 4.3241 km WNW of Houma, Tonga · 1138 days ago · 504 km deep · 94 km away
  15. 4.5259 km WNW of Houma, Tonga · 1130 days ago · 529 km deep · 87 km away
  16. 4.0283 km WNW of Houma, Tonga · 1130 days ago · 516 km deep · 77 km away
  17. 4.0289 km WNW of Houma, Tonga · 1128 days ago · 540 km deep · 23 km away
  18. 4.3Fiji region · 1125 days ago · 598 km deep · 54 km away
  19. 4.3Fiji region · 1125 days ago · 532 km deep · 29 km away
  20. 4.2Fiji region · 1122 days ago · 531 km deep · 62 km away
  21. 4.1Fiji region · 1122 days ago · 557 km deep · 56 km away
  22. 4.4Fiji region · 1121 days ago · 527 km deep · 91 km away
  23. 4.1287 km NW of Houma, Tonga · 1120 days ago · 552 km deep · 8 km away
  24. 4.5286 km WNW of Houma, Tonga · 1119 days ago · 494 km deep · 65 km away
  25. 4.0299 km WNW of Houma, Tonga · 1118 days ago · 559 km deep · 57 km away
  26. 4.3Fiji region · 1114 days ago · 581 km deep · 93 km away
  27. 4.0284 km WNW of Houma, Tonga · 1112 days ago · 509 km deep · 41 km away

Before

  1. 4.1Fiji region · 1171 days ago · 534 km deep · 52 km away
  2. 4.3289 km NW of Houma, Tonga · 1175 days ago · 576 km deep · 31 km away
  3. 4.2Fiji region · 1179 days ago · 522 km deep · 44 km away
  4. 4.5Fiji region · 1187 days ago · 437 km deep · 47 km away
  5. 4.9Fiji region · 1191 days ago · 524 km deep · 99 km away
  6. 4.4Fiji region · 1192 days ago · 561 km deep · 66 km away
  7. 4.4269 km WNW of Houma, Tonga · 1196 days ago · 487 km deep · 73 km away
  8. 4.6255 km WNW of Houma, Tonga · 1200 days ago · 481 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kvx8. Read Fri, Oct 2, 2026, 4:36 AM UTC.