- II
- III
- IV
- V
Strongest contour: Moderate (V). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.
People in the shaking
- IVLight625,000
- IIIWeak5.9 million
- IIWeak1.9 million
| Place | Population | Shaking |
|---|---|---|
| Mazatan | 8,000 | IV |
| Huehuetan | 36,000 | IV |
| Ocos | 20,000 | IV |
| Villa Comaltitlan | 30,000 | IV |
| Huixtla | 54,000 | IV |
| Ciudad Tecun Uman | 46,000 | IV |
| La Blanca | 34,000 | IV |
| Acapetahua | 27,000 | IV |
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.
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.