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Loma Prieta addition Fitting vertical displacement data.
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Transcript of Loma Prieta addition Fitting vertical displacement data.
Loma Prieta addition
Fitting vertical displacement data
Extracted displacement profile
Leveling data from Marshall and Segall, 1996:Coseismic vertical displacements
Just looking at the dip slip component, what is the best fitting fault geometry and slip?
http://pubs.usgs.gov/pp/pp1550/pp1550a/
dip = 120; %want it to dip to the westb = 1; %burger's vector
%fault upper tip (remember that positive is down; xi, zeta)xi_upper = 21250;zeta_upper = 3000;down_dip_length=9000;
dip = 120; %want it to dip to the westb = 2; %burger's vector
%fault upper tip (remember that positive is down; xi, zeta)xi_upper = 21250;zeta_upper = 3000;down_dip_length=9000;
dip = 120; %want it to dip to the westb = 2; %burger's vector
%fault upper tip (remember that positive is down; xi, zeta)xi_upper = 21250;zeta_upper = 1000;down_dip_length=9000;
dip = 120; %want it to dip to the westb = 2; %burger's vector
%fault upper tip (remember that positive is down; xi, zeta)xi_upper = 21250;zeta_upper = 5000;down_dip_length=9000;
dip = 90; %want it to dip to the westb = 1.5; %burger's vector
%fault upper tip (remember that positive is down; xi, zeta)xi_upper = 21250;zeta_upper = 3000;down_dip_length=9000;
dip = 150; %want it to dip to the westb = 1.5; %burger's vector
%fault upper tip (remember that positive is down; xi, zeta)xi_upper = 21250;zeta_upper = 3000;down_dip_length=9000;
dip = 119.5; %want it to dip to the westb = 1.5; %burger's vector
%fault upper tip (remember that positive is down; xi, zeta)xi_upper = 21250;zeta_upper = 3000;down_dip_length=9000;
Best fit
2D grid search
Best fit
Dip
Slip
2D error surface
dip = 119.5; %want it to dip to the westb = 1.5; %burger's vector
%fault upper tip (remember that positive is down; xi, zeta)xi_upper = 21250;zeta_upper = 3000;down_dip_length=9000;
This is troubling
Best fit