ISC‐EHB 1964–2016, an Improved Data Set for Studies of Earth Structure and Global Seismicity

E. R. Engdahl; D. Di Giacomo; B. Sakarya; C. G. Gkarlaouni; J. Harris; D. A. Storchak

doi:10.1029/2019ea000897

journal article Open Access Jan 01, 2020

ISC‐EHB 1964–2016, an Improved Data Set for Studies of Earth Structure and Global Seismicity

E. R. Engdahl D. Di Giacomo B. Sakarya C. G. Gkarlaouni J. Harris D. A. Storchak

Earth and Space Science Vol. 7 No. 1 · American Geophysical Union (AGU)

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Abstract

Abstract
A data set of earthquake hypocenters and associated traveltime residuals for seismic phases recorded by seismograph stations globally is an essential starting point for most studies of global seismicity and Earth structure. Such data sets have been produced in various forms by national and international agencies since the beginning of instrumental seismology at the turn of the twentieth century. We have reprocessed the comprehensive data used to produce the routinely distributed bulletins of the International Seismological Centre (ISC) since 1964 to construct a new refined data set of hypocenters with improved focal depths and phase residuals. This data set, called ISC‐EHB, is used to reveal features of the seismotectonic zones in downgoing slabs in greater detail than previously routinely available.

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Details

Published: Jan 01, 2020
Vol/Issue: 7(1)
License: View

Authors

E

E. R. Engdahl

University of Colorado Boulder CO USA

D

D. Di Giacomo