M5.6

USGS earthquake · M5.671 km WSW of Puerto Madero, Mexico

· 4 days ago

Map centered on the earthquake at 71 km WSW of Puerto Madero, Mexico, with a marker at its epicenterMazatanHuehuetanOcosVilla ComaltitlanHuixtlaCiudad Tecun UmanOpen in Apple Maps ↗
Shaking intensity
  1. II
  2. III
  3. IV
  4. V

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

Depth10.0 km
Origin timeSep 2, 2026, 12:28 PM UTC
Coordinates14.391, -92.987
Tsunami flagNot reported
Estimated shakingLight (IV)Modelled by USGS ShakeMap
Magnitude scaleMoment magnitude
SolutionReviewed by a seismologist
Who felt it

People in the shaking

In the modelled area8.4 million
At light shaking or above625,000
  1. IVLight625,000
  2. IIIWeak5.9 million
  3. IIWeak1.9 million
Nearby towns and the shaking modelled for each
PlacePopulationShaking
Mazatan8,000IV
Huehuetan36,000IV
Ocos20,000IV
Villa Comaltitlan30,000IV
Huixtla54,000IV
Ciudad Tecun Uman46,000IV
La Blanca34,000IV
Acapetahua27,000IV

Past earthquakes here. A magnitude 6.2 earthquake 223 km n of this event struck UK on September 18, 1991 (UTC), with estimated population exposures of 78,000 at intensity VIII and 9,000 at intensity IX or greater, resulting in a reported 25 fatalities.

Local buildings. Overall, the population in this region resides in structures that are a mix of vulnerable and earthquake resistant construction. The predominant vulnerable building types are mud wall and adobe block with concrete bond beam 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 ↗