Crisis2007. Map data Enter GIS files,.shp (ArcGIS) format Not necessary. Only usefull to see where...
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Transcript of Crisis2007. Map data Enter GIS files,.shp (ArcGIS) format Not necessary. Only usefull to see where...
![Page 1: Crisis2007. Map data Enter GIS files,.shp (ArcGIS) format Not necessary. Only usefull to see where the sources are.](https://reader036.fdocuments.us/reader036/viewer/2022062518/5697bf891a28abf838c8a262/html5/thumbnails/1.jpg)
Crisis2007
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Map data
Enter GIS files, .shp (ArcGIS) formatNot necessary. Only usefull to see where the sources are.
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Data of computation sites
Selection list or grid
Title which will be written in output files header
Give file name for list, or enter coordinates for grid
Option to filter out some part of the grid. Once the option start polygon is selected, click on the map to define a polygon
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Source geometry data
Geographical coordinates of the points defining the source
Type of sourceTurn on/off the source
Option different models of circular faultRayon=f(magnitude)
Viewer
Navigate between sources
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Data on spectral ordinatesTotal number of spectral ordinates for which hazard computation will be performed.Has to be consistant with the .ATN (or .atn) file which contains the GM model (tables of amplitude for various M and R).
Switch between the different periods
Actual values of the period (0 sec = PGA)Has to be consistant with the .ATN file
Upper and lower limit of the intensity level (the hazard curve will be compute in this range of acceleration)
Number of points (between the upper and lower limits of accelaration) for which the the exceedance rates will be computed. (for a large grid of points computation may be long).
Unit of the ground motion amplitudeHas to be consistant with the .ATN file
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Seismicity dataNavigate between sources
Select seismicity model: Gutenberg-Richter (areas), Characteristic (fault)
PARAMETERSMinimum magnitudeLambda (activity rate)Beta (slope of the GR)Standard deviation of beta
Maximum magnitude distribution(next page)
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Mmax
• Untruncated expected value
• Untruncated standard deviation
• M1• M2
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Attenuation data
Enter one or more GMPEs (4 build-in models) or user model
Viewer
Click on these tabs to affect one specific model to one specific zone
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Global parameters
Maximum distance of integration (sources located beyond this distance are not taken into account)
Parameters related to the triangulation
Define the Return Periods of interest (up to 5)
Select the distance that will be given in the output file for deaggregation
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Example .ATN file
5.00 8.50 141.00 1000.00 30 30.000 0.747 0.00131.580 130.989 130.050 128.573 126.283 ......181.761 180.944 179.647 177.607 174.443 ............0.200 0.751 0.00187.820 186.817 185.235 182.769 178.994 ...........
Minf, Msup, number of M
Rinf, Rsup, number of R, type of R (1 focal, 2 epicentral, 3 Joyner-Boore, 4 rupture distance)
Period 1, standard deviation, truncation
Ground motion amplitude for period 1 (NR columns, NM rows)
Period 2, standard deviation, truncation
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Problems
• Circular faults• Horizontal faults• Does not integrate over depth– At a given point of the source the depth is
constant• Does not take into account variable sigma with
magnitude and distance– For a given period sigma is constant