Shaking intensity
- III
- IV
- V
- VI
- VII
- VIII
Strongest contour: Severe (VIII). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.
Who felt it
People in the shaking
- VIIISevere7,000
- VIIVery strong201,000
- VIStrong608,000
- VModerate2.7 million
- IVLight1.9 million
- IIIWeak2.1 million
| Place | Population | Shaking |
|---|---|---|
| Tonosi | 2,000 | VIII |
| Pedasi | 2,000 | VII |
| Llano Marin | 1,000 | VII |
| Santa Ana Arriba | 1,000 | VII |
| Las Tablas | 11,000 | VII |
| Pocri | 1,000 | VI |
| Penonome | 29,000 | VI |
| Chitre | 46,000 | VI |
Past earthquakes here. A magnitude 7.6 earthquake 343 km s of this event struck Valle de la Estrella, Costa Rica on April 22, 1991 (UTC), with estimated population exposures of 1,810,000 at intensity VI and 213,000 at intensity VII, resulting in a reported 75 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 unreinforced brick masonry and adobe block construction.
Population and intensity modelled by USGS PAGER. Estimates, not a count of people affected.
Official source
View the USGS record ↗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.