Tonga earthquakes

M4.0 earthquake 244 km W of Houma, Tonga

A magnitude 4.0 earthquake struck 244 km W of Houma, Tonga on Thu, Mar 2, 2023, 1:58 AM GMT+13 (12:58 UTC), 391 km (243 mi) below the surface.

A larger quake followed: M5.8 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-03-01 12:58:41 UTC
Depth
390.8 km (242.8 mi), deep
Epicenter
20.765° S, 177.612° 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 10.5 km horizontally, 12.4 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
133°
Stations used
14

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 11 in the 30 days before it.

After

  1. 5.8Fiji region · 1306 days ago · 534 km deep · 78 km away
  2. 4.1274 km WNW of Houma, Tonga · 1305 days ago · 515 km deep · 57 km away
  3. 4.3223 km WNW of Houma, Tonga · 1305 days ago · 525 km deep · 49 km away
  4. 4.1282 km WNW of Houma, Tonga · 1304 days ago · 522 km deep · 58 km away
  5. 4.3279 km WNW of Houma, Tonga · 1303 days ago · 456 km deep · 43 km away
  6. 4.2Fiji region · 1303 days ago · 457 km deep · 59 km away
  7. 4.1Fiji region · 1301 days ago · 317 km deep · 43 km away
  8. 4.3Fiji region · 1295 days ago · 551 km deep · 99 km away
  9. 4.4Fiji region · 1295 days ago · 546 km deep · 99 km away
  10. 4.4299 km WNW of Houma, Tonga · 1288 days ago · 484 km deep · 58 km away
  11. 4.7Fiji region · 1288 days ago · 523 km deep · 54 km away
  12. 4.2270 km WNW of Houma, Tonga · 1279 days ago · 488 km deep · 59 km away
  13. 4.1Fiji region · 1276 days ago · 542 km deep · 79 km away
  14. 4.2Fiji region · 1274 days ago · 536 km deep · 63 km away
  15. 4.1269 km WNW of Houma, Tonga · 1265 days ago · 347 km deep · 43 km away
  16. 4.2272 km WNW of Houma, Tonga · 1264 days ago · 520 km deep · 60 km away
  17. 4.2296 km WNW of Houma, Tonga · 1262 days ago · 413 km deep · 90 km away
  18. 4.0Fiji region · 1262 days ago · 460 km deep · 63 km away
  19. 4.2253 km WNW of Houma, Tonga · 1262 days ago · 501 km deep · 26 km away
  20. 4.3210 km W of Houma, Tonga · 1253 days ago · 292 km deep · 82 km away

Before

  1. 4.1Fiji region · 1312 days ago · 567 km deep · 98 km away
  2. 5.6Fiji region · 1314 days ago · 550 km deep · 81 km away
  3. 4.6Fiji region · 1314 days ago · 537 km deep · 79 km away
  4. 4.4298 km WNW of Houma, Tonga · 1316 days ago · 527 km deep · 68 km away
  5. 4.1Fiji region · 1317 days ago · 488 km deep · 33 km away
  6. 4.6255 km WNW of Houma, Tonga · 1319 days ago · 525 km deep · 34 km away
  7. 4.6258 km WNW of Houma, Tonga · 1326 days ago · 583 km deep · 93 km away
  8. 4.2273 km WNW of Houma, Tonga · 1326 days ago · 407 km deep · 38 km away
  9. 4.9Fiji region · 1326 days ago · 552 km deep · 88 km away
  10. 4.4260 km WNW of Houma, Tonga · 1327 days ago · 498 km deep · 55 km away
  11. 4.2287 km WNW of Haveluloto, Tonga · 1340 days ago · 561 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ji88. Read Fri, Oct 2, 2026, 10:34 PM UTC.