Tonga earthquakes

M4.2 earthquake 293 km NW of Houma, Tonga

A magnitude 4.2 earthquake struck 293 km NW of Houma, Tonga on Tue, Mar 17, 2026, 6:23 PM GMT+13 (05:23 UTC), 543 km (337 mi) below the surface.

A larger quake followed: M4.6 247 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.

Open the live map with earthquakes

The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-03-17 05:23:57 UTC
Depth
542.9 km (337.4 mi), deep
Epicenter
19.551° S, 177.524° 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 11.2 km horizontally, 10.3 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
92°
Stations used
41

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 4.5Fiji region · 200 days ago · 572 km deep · 24 km away · felt by 2
  2. 4.1281 km WNW of Houma, Tonga · 200 days ago · 553 km deep · 75 km away
  3. 4.1Fiji region · 194 days ago · 571 km deep · 16 km away
  4. 4.2Fiji region · 193 days ago · 617 km deep · 70 km away
  5. 4.6247 km WNW of Houma, Tonga · 186 days ago · 544 km deep · 69 km away
  6. 4.2Fiji region · 181 days ago · 534 km deep · 97 km away
  7. 4.1Fiji region · 180 days ago · 568 km deep · 52 km away
  8. 4.4Fiji region · 175 days ago · 619 km deep · 89 km away
  9. 4.0281 km WNW of Houma, Tonga · 171 days ago · 509 km deep · 91 km away
  10. 4.3Fiji region · 165 days ago · 378 km deep · 73 km away
  11. 4.3283 km ESE of Levuka, Fiji · 163 days ago · 636 km deep · 88 km away
  12. 4.1266 km WNW of Houma, Tonga · 160 days ago · 533 km deep · 70 km away
  13. 4.2Fiji region · 159 days ago · 391 km deep · 90 km away
  14. 4.4Fiji region · 156 days ago · 578 km deep · 45 km away
  15. 4.4267 km WNW of Houma, Tonga · 152 days ago · 478 km deep · 87 km away
  16. 4.0Fiji region · 151 days ago · 579 km deep · 85 km away

Before

  1. 4.2282 km WNW of Houma, Tonga · 202 days ago · 541 km deep · 51 km away
  2. 4.1267 km NW of Houma, Tonga · 204 days ago · 370 km deep · 66 km away
  3. 4.4263 km WNW of Houma, Tonga · 209 days ago · 529 km deep · 69 km away
  4. 4.7259 km WNW of Houma, Tonga · 209 days ago · 552 km deep · 68 km away
  5. 4.3294 km NW of Houma, Tonga · 211 days ago · 570 km deep · 7 km away
  6. 4.0Fiji region · 219 days ago · 539 km deep · 87 km away
  7. 4.3268 km WNW of Houma, Tonga · 219 days ago · 539 km deep · 55 km away
  8. 4.1294 km WNW of Houma, Tonga · 219 days ago · 561 km deep · 68 km away
  9. 4.1293 km NW of Houma, Tonga · 220 days ago · 567 km deep · 22 km away
  10. 4.1291 km ESE of Levuka, Fiji · 222 days ago · 607 km deep · 90 km away
  11. 4.7243 km WNW of Houma, Tonga · 224 days ago · 378 km deep · 75 km away
  12. 4.3272 km WNW of Houma, Tonga · 225 days ago · 10 km deep · 32 km away

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000s7v6. Read Mon, Oct 5, 2026, 3:03 AM UTC.