Tonga earthquakes

M4.1 earthquake 266 km WNW of Houma, Tonga

A magnitude 4.1 earthquake struck 266 km WNW of Houma, Tonga on Tue, Apr 28, 2026, 3:00 PM GMT+13 (02:00 UTC), 533 km (331 mi) below the surface.

A larger quake followed: M4.9 282 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.

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The earthquake

Magnitude
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-04-28 02:00:25 UTC
Depth
533.5 km (331.5 mi), deep
Epicenter
20.173° S, 177.625° 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 12.1 km horizontally, 9.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
97°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.5293 km W of Houma, Tonga · 155 days ago · 504 km deep · 88 km away
  2. 4.4267 km WNW of Houma, Tonga · 150 days ago · 478 km deep · 18 km away
  3. 4.1Fiji region · 146 days ago · 535 km deep · 73 km away
  4. 4.3Fiji region · 142 days ago · 597 km deep · 91 km away
  5. 4.4Fiji region · 133 days ago · 581 km deep · 78 km away
  6. 4.6290 km WNW of Houma, Tonga · 125 days ago · 566 km deep · 47 km away
  7. 4.9282 km WNW of Houma, Tonga · 124 days ago · 545 km deep · 19 km away
  8. 4.2299 km WNW of Houma, Tonga · 121 days ago · 531 km deep · 49 km away
  9. 4.7265 km WNW of Houma, Tonga · 115 days ago · 568 km deep · 20 km away
  10. 4.3278 km WNW of Houma, Tonga · 114 days ago · 515 km deep · 20 km away
  11. 4.4297 km NW of Houma, Tonga · 113 days ago · 548 km deep · 56 km away
  12. 4.0268 km WNW of Houma, Tonga · 110 days ago · 555 km deep · 4 km away
  13. 4.6291 km WNW of Houma, Tonga · 107 days ago · 554 km deep · 33 km away

Before

  1. 4.1Fiji region · 162 days ago · 550 km deep · 88 km away
  2. 4.0281 km WNW of Houma, Tonga · 170 days ago · 509 km deep · 28 km away
  3. 4.6289 km WNW of Houma, Tonga · 171 days ago · 546 km deep · 48 km away
  4. 4.0272 km WNW of Houma, Tonga · 172 days ago · 550 km deep · 40 km away
  5. 4.9Fiji region · 177 days ago · 531 km deep · 76 km away
  6. 4.2Fiji region · 179 days ago · 534 km deep · 54 km away
  7. 4.6247 km WNW of Houma, Tonga · 185 days ago · 544 km deep · 21 km away
  8. 4.7289 km WNW of Houma, Tonga · 186 days ago · 548 km deep · 64 km away
  9. 4.5291 km WNW of Houma, Tonga · 186 days ago · 520 km deep · 51 km away
  10. 4.2Fiji region · 187 days ago · 546 km deep · 67 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000sgkx. Read Sat, Oct 3, 2026, 3:08 PM UTC.