Tonga earthquakes

M4.1 earthquake 269 km WNW of Houma, Tonga

A magnitude 4.1 earthquake struck 269 km WNW of Houma, Tonga on Mon, Apr 17, 2023, 1:03 AM GMT+13 (12:03 UTC), 347 km (216 mi) below the surface.

A larger quake followed: M4.5 297 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
2023-04-16 12:03:25 UTC
Depth
346.8 km (215.5 mi), deep
Epicenter
20.409° S, 177.760° 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 14.2 km horizontally, 9.6 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
79°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 4.2272 km WNW of Houma, Tonga · 1263 days ago · 520 km deep · 19 km away
  2. 4.2296 km WNW of Houma, Tonga · 1262 days ago · 413 km deep · 48 km away
  3. 4.0Fiji region · 1261 days ago · 460 km deep · 21 km away
  4. 4.2253 km WNW of Houma, Tonga · 1261 days ago · 501 km deep · 18 km away
  5. 4.0Fiji region · 1245 days ago · 558 km deep · 53 km away
  6. 4.1Fiji region · 1244 days ago · 539 km deep · 94 km away
  7. 4.4Fiji region · 1240 days ago · 570 km deep · 57 km away
  8. 4.1Fiji region · 1238 days ago · 601 km deep · 67 km away
  9. 4.3273 km W of Houma, Tonga · 1232 days ago · 440 km deep · 67 km away
  10. 3.9Fiji region · 1229 days ago · 562 km deep · 90 km away
  11. 4.3277 km W of Houma, Tonga · 1229 days ago · 474 km deep · 49 km away
  12. 4.1279 km WNW of Houma, Tonga · 1224 days ago · 525 km deep · 19 km away
  13. 4.2Fiji region · 1224 days ago · 602 km deep · 84 km away
  14. 4.5297 km WNW of Houma, Tonga · 1218 days ago · 532 km deep · 42 km away
  15. 4.2Fiji region · 1217 days ago · 551 km deep · 46 km away
  16. 4.3258 km NW of Houma, Tonga · 1213 days ago · 542 km deep · 88 km away
  17. 4.2Fiji region · 1212 days ago · 570 km deep · 65 km away
  18. 4.3Fiji region · 1210 days ago · 562 km deep · 87 km away
  19. 4.2Fiji region · 1208 days ago · 559 km deep · 41 km away
  20. 4.3Fiji region · 1206 days ago · 562 km deep · 42 km away

Before

  1. 4.4286 km WNW of Houma, Tonga · 1267 days ago · 517 km deep · 71 km away
  2. 4.3295 km NW of Houma, Tonga · 1268 days ago · 398 km deep · 81 km away
  3. 4.2Fiji region · 1274 days ago · 536 km deep · 47 km away
  4. 4.1Fiji region · 1275 days ago · 542 km deep · 51 km away
  5. 4.2Fiji region · 1276 days ago · 588 km deep · 89 km away
  6. 4.2270 km WNW of Houma, Tonga · 1278 days ago · 488 km deep · 19 km away
  7. 4.2Fiji region · 1280 days ago · 535 km deep · 84 km away
  8. 4.0267 km NW of Houma, Tonga · 1283 days ago · 563 km deep · 88 km away
  9. 4.7Fiji region · 1287 days ago · 523 km deep · 15 km away
  10. 4.4299 km WNW of Houma, Tonga · 1287 days ago · 484 km deep · 36 km away
  11. 4.3Fiji region · 1292 days ago · 611 km deep · 99 km away
  12. 4.4Fiji region · 1295 days ago · 546 km deep · 99 km away
  13. 4.3Fiji region · 1295 days ago · 551 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k4w2. Read Fri, Oct 2, 2026, 10:04 AM UTC.