Tonga earthquakes

M4.3 earthquake 223 km WNW of Houma, Tonga

A magnitude 4.3 earthquake struck 223 km WNW of Houma, Tonga on Wed, Mar 8, 2023, 5:28 PM GMT+13 (04:28 UTC), 525 km (326 mi) below the surface.

A larger quake followed: M4.7 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
2023-03-08 04:28:25 UTC
Depth
525.0 km (326.2 mi), deep
Epicenter
20.438° S, 177.302° 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 11.4 km horizontally, 12.7 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
120°
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: 21 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.1282 km WNW of Houma, Tonga · 1304 days ago · 522 km deep · 59 km away
  2. 4.1Fiji region · 1303 days ago · 412 km deep · 95 km away
  3. 4.3279 km WNW of Houma, Tonga · 1303 days ago · 456 km deep · 60 km away
  4. 4.2Fiji region · 1303 days ago · 457 km deep · 98 km away
  5. 4.1Fiji region · 1301 days ago · 317 km deep · 12 km away
  6. 4.2288 km WNW of Houma, Tonga · 1296 days ago · 504 km deep · 78 km away
  7. 4.4299 km WNW of Houma, Tonga · 1288 days ago · 484 km deep · 83 km away
  8. 4.7Fiji region · 1287 days ago · 523 km deep · 62 km away
  9. 4.0267 km NW of Houma, Tonga · 1283 days ago · 563 km deep · 80 km away
  10. 4.2Fiji region · 1280 days ago · 535 km deep · 99 km away
  11. 4.2270 km WNW of Houma, Tonga · 1279 days ago · 488 km deep · 47 km away
  12. 4.1Fiji region · 1276 days ago · 542 km deep · 99 km away
  13. 4.2Fiji region · 1274 days ago · 536 km deep · 92 km away
  14. 4.3295 km NW of Houma, Tonga · 1268 days ago · 398 km deep · 91 km away
  15. 4.4286 km WNW of Houma, Tonga · 1267 days ago · 517 km deep · 80 km away
  16. 4.1269 km WNW of Houma, Tonga · 1265 days ago · 347 km deep · 48 km away
  17. 4.2272 km WNW of Houma, Tonga · 1264 days ago · 520 km deep · 49 km away
  18. 4.2296 km WNW of Houma, Tonga · 1262 days ago · 413 km deep · 77 km away
  19. 4.0Fiji region · 1262 days ago · 460 km deep · 56 km away
  20. 4.2253 km WNW of Houma, Tonga · 1261 days ago · 501 km deep · 38 km away
  21. 4.5Fiji region · 1258 days ago · 250 km deep · 99 km away

Before

  1. 4.1274 km WNW of Houma, Tonga · 1305 days ago · 515 km deep · 51 km away
  2. 4.0244 km W of Houma, Tonga · 1311 days ago · 391 km deep · 49 km away
  3. 4.1Fiji region · 1312 days ago · 567 km deep · 98 km away
  4. 4.4298 km WNW of Houma, Tonga · 1316 days ago · 527 km deep · 75 km away
  5. 4.1Fiji region · 1316 days ago · 488 km deep · 31 km away
  6. 4.6255 km WNW of Houma, Tonga · 1319 days ago · 525 km deep · 35 km away
  7. 4.2284 km WNW of Houma, Tonga · 1323 days ago · 389 km deep · 78 km away
  8. 4.6258 km WNW of Houma, Tonga · 1326 days ago · 583 km deep · 55 km away
  9. 4.2273 km WNW of Houma, Tonga · 1326 days ago · 407 km deep · 55 km away
  10. 4.4260 km WNW of Houma, Tonga · 1327 days ago · 498 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000jjty. Read Fri, Oct 2, 2026, 8:54 PM UTC.