Tonga earthquakes

M4.2 earthquake 270 km WNW of Houma, Tonga

A magnitude 4.2 earthquake struck 270 km WNW of Houma, Tonga on Mon, Apr 3, 2023, 5:10 PM GMT+13 (04:10 UTC), 488 km (303 mi) below the surface.

A larger quake followed: M4.4 286 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-04-03 04:10:44 UTC
Depth
487.7 km (303.0 mi), deep
Epicenter
20.245° S, 177.703° 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 9.2 km horizontally, 9.2 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
68°
Stations used
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 4.2Fiji region · 1276 days ago · 588 km deep · 98 km away
  2. 4.1Fiji region · 1275 days ago · 542 km deep · 59 km away
  3. 4.2Fiji region · 1273 days ago · 536 km deep · 61 km away
  4. 4.3295 km NW of Houma, Tonga · 1268 days ago · 398 km deep · 62 km away
  5. 4.4286 km WNW of Houma, Tonga · 1266 days ago · 517 km deep · 52 km away
  6. 4.1269 km WNW of Houma, Tonga · 1265 days ago · 347 km deep · 19 km away
  7. 4.2272 km WNW of Houma, Tonga · 1263 days ago · 520 km deep · 2 km away
  8. 4.2296 km WNW of Houma, Tonga · 1261 days ago · 413 km deep · 33 km away
  9. 4.0Fiji region · 1261 days ago · 460 km deep · 9 km away
  10. 4.2253 km WNW of Houma, Tonga · 1261 days ago · 501 km deep · 33 km away
  11. 4.0Fiji region · 1245 days ago · 558 km deep · 64 km away
  12. 4.3Fiji region · 1245 days ago · 559 km deep · 95 km away
  13. 4.4Fiji region · 1240 days ago · 570 km deep · 43 km away
  14. 4.1Fiji region · 1237 days ago · 601 km deep · 70 km away
  15. 4.3273 km W of Houma, Tonga · 1231 days ago · 440 km deep · 86 km away
  16. 4.3277 km W of Houma, Tonga · 1228 days ago · 474 km deep · 68 km away
  17. 4.1279 km WNW of Houma, Tonga · 1224 days ago · 525 km deep · 37 km away
  18. 4.2Fiji region · 1224 days ago · 602 km deep · 91 km away

Before

  1. 4.2Fiji region · 1279 days ago · 535 km deep · 66 km away
  2. 4.0267 km NW of Houma, Tonga · 1282 days ago · 563 km deep · 69 km away
  3. 4.2Fiji region · 1284 days ago · 550 km deep · 88 km away
  4. 4.7Fiji region · 1287 days ago · 523 km deep · 23 km away
  5. 4.4299 km WNW of Houma, Tonga · 1287 days ago · 484 km deep · 50 km away
  6. 4.3Fiji region · 1292 days ago · 611 km deep · 89 km away
  7. 4.3Fiji region · 1294 days ago · 551 km deep · 86 km away
  8. 4.2288 km WNW of Houma, Tonga · 1295 days ago · 504 km deep · 46 km away
  9. 4.2Fiji region · 1298 days ago · 593 km deep · 79 km away
  10. 4.1Fiji region · 1300 days ago · 317 km deep · 36 km away
  11. 4.2Fiji region · 1302 days ago · 457 km deep · 76 km away
  12. 4.3279 km WNW of Houma, Tonga · 1302 days ago · 456 km deep · 31 km away
  13. 4.1Fiji region · 1303 days ago · 412 km deep · 58 km away
  14. 4.1282 km WNW of Houma, Tonga · 1303 days ago · 522 km deep · 16 km away
  15. 4.3223 km WNW of Houma, Tonga · 1304 days ago · 525 km deep · 47 km away
  16. 4.1274 km WNW of Houma, Tonga · 1304 days ago · 515 km deep · 6 km away
  17. 5.8Fiji region · 1305 days ago · 534 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000k1n6. Read Fri, Oct 2, 2026, 2:11 AM UTC.