Tonga earthquakes

M4.2 earthquake 282 km WNW of Houma, Tonga

A magnitude 4.2 earthquake struck 282 km WNW of Houma, Tonga on Tue, Mar 17, 2026, 3:13 PM GMT+13 (02:13 UTC), 541 km (336 mi) below the surface.

A larger quake followed: M4.9 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
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-03-17 02:13:21 UTC
Depth
541.1 km (336.2 mi), deep
Epicenter
19.977° S, 177.701° 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 13.8 km horizontally, 7.8 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
122°
Stations used
50

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.2293 km NW of Houma, Tonga · 201 days ago · 543 km deep · 51 km away
  2. 4.5Fiji region · 200 days ago · 572 km deep · 73 km away · felt by 2
  3. 4.1281 km WNW of Houma, Tonga · 199 days ago · 553 km deep · 24 km away
  4. 4.4285 km WNW of Houma, Tonga · 199 days ago · 498 km deep · 83 km away
  5. 4.3287 km WNW of Houma, Tonga · 197 days ago · 515 km deep · 53 km away
  6. 4.1Fiji region · 194 days ago · 571 km deep · 60 km away
  7. 4.2Fiji region · 192 days ago · 617 km deep · 55 km away
  8. 4.2Fiji region · 188 days ago · 546 km deep · 71 km away
  9. 4.5291 km WNW of Houma, Tonga · 187 days ago · 520 km deep · 63 km away
  10. 4.7289 km WNW of Houma, Tonga · 187 days ago · 548 km deep · 78 km away
  11. 4.6247 km WNW of Houma, Tonga · 186 days ago · 544 km deep · 36 km away
  12. 4.2Fiji region · 180 days ago · 534 km deep · 52 km away
  13. 4.9Fiji region · 178 days ago · 531 km deep · 86 km away
  14. 4.0272 km WNW of Houma, Tonga · 173 days ago · 550 km deep · 58 km away
  15. 4.6289 km WNW of Houma, Tonga · 172 days ago · 546 km deep · 60 km away
  16. 4.0281 km WNW of Houma, Tonga · 171 days ago · 509 km deep · 40 km away
  17. 4.1Fiji region · 163 days ago · 550 km deep · 95 km away
  18. 4.1266 km WNW of Houma, Tonga · 159 days ago · 533 km deep · 23 km away
  19. 4.4Fiji region · 155 days ago · 578 km deep · 93 km away
  20. 4.4267 km WNW of Houma, Tonga · 151 days ago · 478 km deep · 38 km away
  21. 4.1Fiji region · 147 days ago · 535 km deep · 83 km away
  22. 4.3Fiji region · 143 days ago · 597 km deep · 88 km away

Before

  1. 4.3256 km WNW of Houma, Tonga · 204 days ago · 518 km deep · 72 km away
  2. 4.4263 km WNW of Houma, Tonga · 209 days ago · 529 km deep · 24 km away
  3. 4.7259 km WNW of Houma, Tonga · 209 days ago · 552 km deep · 26 km away
  4. 4.3294 km NW of Houma, Tonga · 211 days ago · 570 km deep · 58 km away
  5. 4.3268 km WNW of Houma, Tonga · 218 days ago · 539 km deep · 15 km away
  6. 4.1294 km WNW of Houma, Tonga · 218 days ago · 561 km deep · 21 km away
  7. 4.4273 km WNW of Houma, Tonga · 219 days ago · 503 km deep · 72 km away
  8. 4.1293 km NW of Houma, Tonga · 219 days ago · 567 km deep · 30 km away
  9. 4.1290 km WNW of Houma, Tonga · 220 days ago · 508 km deep · 70 km away
  10. 4.7243 km WNW of Houma, Tonga · 223 days ago · 378 km deep · 41 km away
  11. 4.3272 km WNW of Houma, Tonga · 225 days ago · 10 km deep · 26 km away
  12. 4.1268 km WNW of Houma, Tonga · 231 days ago · 611 km deep · 52 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000sgra. Read Sun, Oct 4, 2026, 12:14 PM UTC.