Integrated Seismic Catalog for Colombia
DOI:
https://doi.org/10.32685/0120-1425/bol.geol.50.1.2023.665Keywords:
seismology, regional seismicity, historical seismicity, South America, Central America, Caribbean, seismic hazard
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Copyright (c) 2023 Servicio Geológico Colombiano
This work is licensed under a Creative Commons Attribution 4.0 International License.
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Abstract
This article presents the Integrated Seismic Catalog (CSI), which is an earthquake dataset for Colombia and neighboring territories (i.e., the borders of Costa Rica, Ecuador, Nicaragua, Panama, Peru and Venezuela). The CSI contains preferred solutions that were derived from global and regional seismic catalogs. Each preferred solution includes the best available solution for event magnitude and location, which were selected from among the multiple candidates from the different catalogs and compiled following prioritization matrices. The seismic events that make up the CSI are located in a quadrant that ranges from −84° to −66° longitude and 5° to 16° latitude (referenced to the WGS84 datum) and encompasses the period from 1610 (supported by catalogs of historical earthquakes with magnitudes estimated from macroseismic intensities) to December 31, 2020. The magnitude values of all preferred solutions included in the CSI have been standardized to moment magnitude (Mw), using transformations in instances where this value was not estimated from the original source and a different type of magnitude was calculated instead. The CSI is expected to serve as a reference or input used to generate hazard models and characterize seismogenic sources since it integrates different location and magnitude solutions, which have been standardized to the parameters most used today.
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