M5.4

USGS earthquake · M5.499 km SSE of Pangai

🇹🇴 - Tonga

· 1 hour ago

Map centered on the earthquake at 99 km SSE of Pangai, Tonga, with a marker at its epicenterHuma`OhonuaHaatuaOpen in Apple Maps ↗
Shaking intensity
  1. III
  2. IV
  3. V
  4. VI

Strongest contour: Strong (VI). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.

Depth10.0 km
Origin timeSep 29, 2026, 12:40 PM UTC
Coordinates-20.677, -174.081
Tsunami flagNot reported
Estimated shakingLight (IV)Modelled by USGS ShakeMap
Magnitude scaleBody-wave magnitude
SolutionReviewed by a seismologist
Who felt it

People in the shaking

In the modelled area10,000
At light shaking or above2,000
  1. IVLight2,000
  2. IIIWeak9,000
Nearby towns and the shaking modelled for each
PlacePopulationShaking
Huma310III
`Ohonua1,000III
Haatua486III

Past earthquakes here. A magnitude 8.0 earthquake 58 km w of this event struck UK on May 3, 2006 (UTC), with estimated population exposures of 105,000 at intensity VII and 7,000 at intensity VIII, with no reported fatalities.

Local buildings. Overall, the population in this region resides in structures that are highly vulnerable to earthquake shaking, though some resistant structures exist. The predominant vulnerable building types are unknown/miscellaneous types and wood construction.

Population and intensity modelled by USGS PAGER. Estimates, not a count of people affected.

Official source

U.S. Geological Survey

Terremoto preserves this event snapshot for a stable public link. USGS remains the authoritative source for revisions and scientific details. Shaking contours and population estimates come from USGS ShakeMap and PAGER, which revise them as more data arrives.

View the USGS record ↗