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EXPO-CAT is a catalog of human exposure to discrete levels of shaking intensity, obtained by correlating Atlas ShakeMaps with a global population database. Combining this population exposure dataset with historical earthquake loss data provides a useful resource for calibrating loss methodologies against a systematically-derived set of ShakeMap hazard outputs. EXPO-CAT is derived from two key datasets: the PAGER-CAT earthquake catalog and the Atlas of ShakeMaps. PAGER-CAT provides accurate earthquake source information necessary to compute reliable ShakeMaps in the Atlas. It also contributes loss information (i.e., number of deaths and injuries) from historical events. Using historical earthquakes in the Atlas and...
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PAGER-CAT incorporates eight global earthquake catalogs and additional auxiliary data to provide comprehensive information for hypocentral locations, magnitudes, and human fatalities, focal mechanisms, the country of origin or the distance to the nearest landmass, local time and day of week, presence of secondary effects (e.g., tsunami, landslide, fire, or liquefaction) and deaths caused by these effects, the number of buildings damaged or destroyed, and the number of people injured or left homeless. The first version of the catalog contains more than 140 fields in which detailed event information can be recorded and currently includes events from 1900 through December 2007, with emphasis on earthquakes since 1973.
The Atlas of ShakeMaps (~14,100 earthquakes, 1900-2020) provides a consistent and quantitative description of the distribution of shaking intensity for calibrating earthquake loss estimation methodologies, like those used in the USGS Prompt Assessment of Global Earthquakes for Response (PAGER) system. Version 4 of the Atlas includes a vastly expanded compilation of ShakeMaps for consequential and widely felt earthquakes using updated ShakeMap (Version 4) software. For each event, we have attempted to gather available macroseismic, recorded ground motions and finite fault inputs. AtlasCat is the companion catalog to Atlas V4. For each event in the Atlas, AtlasCat contains population exposure to each intensity level,...