clear close all % In this script we look at records for the Sumatra earthquake from % different sensor, look at the spectrum and try to estimate the % peak-to-peak displacement recorded in Germany % Load data disp(' Loading data ... please wait! ') load sumatra % sampling interval dt=1/20; Zdata=Zdata/1e9; % conversion from nanometers/s to meters/s Rdata=Rdata/1e9; Tdata=Tdata/1e9; Rtime=Rtime-54*60+59.988998; % conversion of the rotation time % Plot all observations subplot(6,1,1),plot(Ttime,Zdata),ylabel(' Z '),axis([800 7200 -Inf Inf]) title(' The Sumatra M9.0 Main Shock, 26 Dec 2004 ') subplot(6,1,2),plot(Ttime,Rdata),ylabel(' R '),axis([800 7200 -Inf Inf]) subplot(6,1,3),plot(Ttime,Tdata),ylabel(' T '),axis([800 7200 -Inf Inf]) subplot(6,1,4),plot(Rtime,RZdata),ylabel(' Rot_Z '),axis([800 7200 -Inf Inf]) subplot(6,1,5),plot(Rtime,TNSdata),ylabel(' Tilt N-S '),axis([800 7200 -Inf Inf]) subplot(6,1,6),plot(Rtime,TEWdata),ylabel(' Tilt E-W '),axis([800 7200 -Inf Inf]) xlabel(' Time (s) ') drawnow