NEHRP Clearinghouse

Title
Seismic Zoning and Ground Motion Parameters for El Salvador.
File
PB91155622.pdf
Author(s)
Alfaro, C. S.; Kiremidjian, A. S.; White, R. A.
Source
National Science Foundation, Washington, DC.; Organization of American States, Washington, DC.; Agency for International Development, Washington, DC.; American Embassy, San Salvador (El Salvador)., December 1990, 172 p.
Identifying Number(s)
REPT-93
Abstract
On October 10, 1986, the capital of El Salvador, San Salvador, experienced a moderate magnitude earthquake. Despite the moderate magnitude of the earthquake, the city was severely damaged. Ground motion records with epicentral distances ranging from 1 to 8 kilometers showed peak ground accelerations from 0.31g to 0.72g. The high values of ground motion and the resulting building damage caught the attention of engineers and seismologists from all over the world. The evaluation of the seismic hazard in a region requires a seismicity model, an attenuation model, and an exposure evaluation model. The study will include a comprehensive evaluation of the seismic environment of El Salvador and surrounding regions, a study of the available hazard analysis models applicable to this seismic environment, and the development of peak ground acceleration attenuation functions needed for the application of the hazard models.
Keywords
; Study estimates; Risk assessment; Regional analysis; El Salvador; Tectonics; Tables (Data); Mathematical models; Earth movements; Seismology; Earthquake warning systems; Earthquake damage; Ground motion; Regression analysis; Hazards; Geomorphology