Tonga earthquakes

M4.3 earthquake 266 km W of Houma, Tonga

A magnitude 4.3 earthquake struck 266 km W of Houma, Tonga on Sun, Mar 22, 2026, 2:29 PM GMT+13 (01:29 UTC), 416 km (259 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-03-22 01:29:46 UTC
Depth
416.2 km (258.6 mi), deep
Epicenter
21.231° S, 177.866° 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 15.3 km horizontally, 8.0 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
104°
Stations used
34

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.1Fiji region · 195 days ago · 517 km deep · 52 km away
  2. 4.5291 km WNW of Houma, Tonga · 186 days ago · 520 km deep · 85 km away
  3. 4.7289 km WNW of Houma, Tonga · 186 days ago · 548 km deep · 71 km away
  4. 4.1Fiji region · 177 days ago · 567 km deep · 96 km away
  5. 4.9Fiji region · 177 days ago · 531 km deep · 77 km away
  6. 4.0272 km WNW of Houma, Tonga · 172 days ago · 550 km deep · 83 km away
  7. 4.6289 km WNW of Houma, Tonga · 171 days ago · 546 km deep · 87 km away
  8. 4.1Fiji region · 162 days ago · 550 km deep · 90 km away
  9. 4.5293 km W of Houma, Tonga · 155 days ago · 504 km deep · 52 km away
  10. 4.3299 km W of Houma, Tonga · 153 days ago · 492 km deep · 35 km away
  11. 4.1Fiji region · 146 days ago · 535 km deep · 80 km away
  12. 4.4Fiji region · 136 days ago · 594 km deep · 87 km away

Before

  1. 4.3287 km WNW of Houma, Tonga · 196 days ago · 515 km deep · 93 km away
  2. 4.8Fiji region · 197 days ago · 575 km deep · 85 km away
  3. 4.4285 km WNW of Houma, Tonga · 198 days ago · 498 km deep · 63 km away
  4. 4.3256 km WNW of Houma, Tonga · 203 days ago · 518 km deep · 70 km away
  5. 4.4Fiji region · 217 days ago · 551 km deep · 73 km away
  6. 4.4273 km WNW of Houma, Tonga · 218 days ago · 503 km deep · 70 km away
  7. 4.2Fiji region · 218 days ago · 509 km deep · 60 km away
  8. 4.1290 km WNW of Houma, Tonga · 219 days ago · 508 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000sibi. Read Sat, Oct 3, 2026, 2:01 PM UTC.