Tonga earthquakes

M4.3 earthquake 299 km W of Houma, Tonga

A magnitude 4.3 earthquake struck 299 km W of Houma, Tonga on Mon, May 4, 2026, 12:01 AM GMT+13 (11:01 UTC), 492 km (306 mi) below the surface.

A larger quake followed: M4.8 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
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-05-03 11:01:23 UTC
Depth
492.0 km (305.7 mi), deep
Epicenter
21.336° S, 178.181° 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 13.4 km horizontally, 8.8 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
104°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 4.1Fiji region · 147 days ago · 535 km deep · 85 km away
  2. 4.4Fiji region · 137 days ago · 594 km deep · 70 km away
  3. 4.4Fiji region · 128 days ago · 557 km deep · 61 km away
  4. 4.4south of the Fiji Islands · 122 days ago · 393 km deep · 79 km away
  5. 4.1Fiji region · 121 days ago · 589 km deep · 64 km away
  6. 4.3Fiji region · 119 days ago · 580 km deep · 77 km away
  7. 4.5Fiji region · 118 days ago · 588 km deep · 78 km away
  8. 4.7Fiji region · 106 days ago · 466 km deep · 17 km away
  9. 4.1Fiji region · 106 days ago · 480 km deep · 41 km away
  10. 4.8Fiji region · 103 days ago · 544 km deep · 51 km away
  11. 4.0Fiji region · 100 days ago · 642 km deep · 98 km away
  12. 4.5Fiji region · 99 days ago · 595 km deep · 98 km away
  13. 4.5Fiji region · 98 days ago · 523 km deep · 54 km away
  14. 4.5Fiji region · 94 days ago · 548 km deep · 65 km away

Before

  1. 4.5293 km W of Houma, Tonga · 155 days ago · 504 km deep · 58 km away
  2. 4.1Fiji region · 162 days ago · 550 km deep · 88 km away
  3. 4.9Fiji region · 177 days ago · 531 km deep · 81 km away
  4. 4.1Fiji region · 177 days ago · 567 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000shya. Read Sun, Oct 4, 2026, 1:59 AM UTC.