Isoseismal maps drawing by the kriging method |
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| Authors: | Z Schenková V Schenk I Kalogeras R Pichl P Kottnauer C Papatsimba G Panopoulou |
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| Institution: | (1) Institute of Rock Structure and Mechanics, Academy of Sciences, V Holešovičkách 41, CZ – 182 09 Praha 8, Czech Republic;(2) National Observatory of Athens, Geodynamic Institute, 248, 11810 Athens, Greece |
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| Abstract: | Macroseismic intensity, a useful measure of earthquake effects, is still applied in a wide range of seismological applications
like seismic hazard assessments, attenuation relationships, etc. Isoseismals represent the spatial distribution of macroseismic
intensities, and their shapes depend on source properties, lithosphere structures, tectonic line orientations, site geology,
and topography. The applications ask for both the higher number of isoseismal maps, and their standardization and homogenization.
The point kriging gridding method for an automatic computer drawing of isoseismal maps was delivered. Smoothing rates and
numerical parameters used in the kriging algorithm were tested on macroseismic data of Greek earthquakes representing different
tectonic and geomorphological regimes. The optimum kriging default option was defined. Its application for four Greek earthquakes
is presented and discussed from the viewpoint of a broad use in recent macroseismology.
The online version of the original article can be found at . |
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| Keywords: | Isoseismal maps Kriging method Macroseismic observations Greece |
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