% ---------------------------------- FINITE-SOURCE RUPTURE MODEL -------------------------------- % % Event : Imperial Valley (Calif.) 10/15/1979 [Olson and Apsel (1982) ] % EventTAG: s1979IMPERI01OLSO % % Loc : LAT = 32.644 LON = -115.309 DEP = 8.0 % Size : LEN = 60.0 km WID = 10.0 km Mw = 6.53 Mo = 6.99e+18 Nm % Mech : STRK = 323.0 DIP = 80.0 RAKE = -164.2129922156914 Htop = 0.0 km % Rupt : HypX = 10.00 km HypZ = 10.00 km avTr = 8.2 s avVr = 2.6 km/s % % ---------------------------------- inversion-related parameters -------------------------------- % % Invs : Nx = 12 Nz = 2 Fmin = 0.00 Hz Fmax = 0.33 Hz % Invs : Dx = 5.00 km Dz = 5.00 km % Invs : Ntw = 5 Nsg = 2 (# of time-windows,# of fault segments) % Invs : LEN = 2.25 s SHF = 0.75 s (time-window length and time-shift) % SVF : smooth step fct (type of slip-velocity function used) % % Data : SGM TELE TRIL LEVEL GPS INSAR SURF OTHER % Data : 26 0 0 0 0 0 0 0 % PHImx: 130 0 0 0 0 0 0 0 % Rmin : 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 % % -------------------------------------------------------------------------------------------------- % % VELOCITY-DENSITY STRUCTURE % No. of layers = 20 % % DEPTH P-VEL S-VEL DENS % [km] [km/s] [km/s] [g/cm^3] % 0.00 1.69 0.50 2.04 % 0.10 1.79 0.82 2.06 % 0.25 2.17 1.01 2.13 % 0.75 2.53 1.20 2.21 % 1.25 2.90 1.41 2.28 % 1.75 3.27 1.62 2.35 % 2.25 3.63 1.85 2.43 % 2.75 4.00 2.08 2.50 % 3.25 4.37 2.33 2.57 % 3.75 4.73 2.59 2.65 % 4.25 5.10 2.87 2.72 % 4.75 5.38 3.06 2.77 % 5.25 5.65 3.26 2.83 % 5.75 5.75 3.32 2.85 % 11.00 6.70 3.87 3.04 % 11.30 6.90 3.98 3.08 % 11.60 7.10 4.10 3.12 % 11.90 7.30 4.21 3.16 % 25.00 7.80 4.50 3.26 % 50.00 8.10 4.67 3.32 % % -------------------------------------------------------------------------------------------------- % 23-Jul-2007 PMM (mai@sed.ethz.ch) % -------------------------------------------------------------------------------------------------- % % SOURCE MODEL PARAMETERS % X,Y,Z coordinates in km; SLIP in m % if applicable: RAKE in deg, RISE in s, TRUP in s, slip in each TW in m % % Coordinates are given for top-center of each subfault or segment: |'| % Origin of local coordinate system at epicenter: X (EW) = 0, Y (NS) = 0 % -------------------------------------------------------------------------------------------------- % ----------------------------- MULTISEGMENT MODEL --------------------------------------------- % -------------------------------------------------------------------------------------------------- % SEGMENT # 1: STRIKE = 323.0 deg DIP = 80.0 deg % LEN = 50.00 km WID = 10.00 km % depth to top: Z2top = 0.00 km % coordinates of top-center: % LAT = 32.7083 , LON = -115.3910 % hypocenter on SEG # 1 : along-strike (X) = 10.0 , down-dip (Z) = 10.0 % Nsbfs = 20 subfaults % -------------------------------------------------------------------------------------------------- % LAT LON X==EW Y==NS Z SLIP % -------------------------------------------------------------------------------------------------- 32.5466 -115.2462 5.8730 -10.8243 0.0000 0.4709 32.5825 -115.2784 2.8640 -6.8311 0.0000 0.2954 32.6185 -115.3106 -0.1451 -2.8379 0.0000 0.2563 32.6544 -115.3427 -3.1542 1.1552 0.0000 0.4890 32.6903 -115.3749 -6.1633 5.1484 0.0000 0.6671 32.7263 -115.4070 -9.1723 9.1416 0.0000 0.8414 32.7622 -115.4392 -12.1814 13.1348 0.0000 0.9195 32.7981 -115.4713 -15.1905 17.1279 0.0000 0.6399 32.8341 -115.5035 -18.1996 21.1211 0.0000 0.2538 32.8700 -115.5357 -21.2086 25.1143 0.0000 0.0265 32.5513 -115.2388 6.5664 -10.3018 4.9240 0.5358 32.5872 -115.2710 3.5574 -6.3086 4.9240 0.3836 32.6232 -115.3031 0.5483 -2.3154 4.9240 0.3753 32.6591 -115.3353 -2.4608 1.6778 4.9240 0.7978 32.6950 -115.3675 -5.4699 5.6709 4.9240 0.6555 32.7310 -115.3996 -8.4789 9.6641 4.9240 1.2959 32.7669 -115.4318 -11.4880 13.6573 4.9240 1.2105 32.8028 -115.4639 -14.4971 17.6505 4.9240 0.5387 32.8388 -115.4961 -17.5062 21.6436 4.9240 0.3936 32.8747 -115.5283 -20.5152 25.6368 4.9240 0.3331 % -------------------------------------------------------------------------------------------------- % SEGMENT # 2: STRIKE = 0.0 deg DIP = 80.0 deg % LEN = 10.00 km WID = 10.00 km % depth to top: Z2top = 0.00 km % coordinates of top-center: % LAT = 32.8593 , LON = -115.4762 % hypocenter on SEG # 1 : along-strike (X) = 10.0 , down-dip (Z) = 10.0 % Nsbfs = 4 subfaults % -------------------------------------------------------------------------------------------------- % LAT LON X==EW Y==NS Z SLIP % -------------------------------------------------------------------------------------------------- 32.8368 -115.4762 -15.6407 21.4241 0.0000 0.2722 32.8818 -115.4762 -15.6407 26.4241 0.0000 0.0125 32.8368 -115.4669 -14.7725 21.4241 4.9240 0.3349 32.8818 -115.4669 -14.7725 26.4241 4.9240 0.0978