Shaking intensity
- III
- IV
Strongest contour: Light (IV). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.
Who felt it
People in the shaking
- IVLight11,000
- IIIWeak77,000
- IIWeak14,000
| Place | Population | Shaking |
|---|---|---|
| Kirakira | 4,000 | III |
Past earthquakes here. A magnitude 7.3 earthquake 220 km sw of this event struck UK on April 21, 1977 (UTC), with estimated population exposures of 158,000 at intensity VI and 42,000 at intensity VII, resulting in a reported 18 fatalities.
Local buildings. Overall, the population in this region resides in structures that are vulnerable to earthquake shaking, though resistant structures exist. The predominant vulnerable building types are mud wall and informal (metal, timber, GI etc.) 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.