Natural Hazards

, Volume 1, Issue 1, pp 27–44 | Cite as

Seismic hazard analysis for the Philippines

  • S. S. Su
Article
  • 178 Downloads

Abstract

Two sample probabilistic hazard maps for the Philippine Region are compiled. In these are shown various levels of expected horizontal ground acceleration for some given annual probability of exceedence, namely, for 0.1% a.p.e. and for 0.01% a.p.e. Such hazard maps are needed by structural engineers for compiling seismic zoning maps. The hazard maps are derived from source-zone or seismogenic maps, which, in turn, are compiled from seismographic, geologic, and geotectonic data. Much weight is put on geotectonic data rather than on seismographic data. The former lends support to extrapolating to much longer periods of ‘exposure time’ or longer periods of recurrence.

Key words

Hazard analysis risk analysis seismic zoning probabilistic 

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Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • S. S. Su
    • 1
  1. 1.Manila ObservatoryManilaPhilippines

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