Name of program: FLTGRV and FLTGRH

Type of program (eg quake model, mesh generator, strain calculator, visualizer, etc):

Computes 3 vector components of surface displacement from slip on a dipping thrust fault contained within an elastic layer overlying a viscoelastic-gravitational half space.

Author: Fernandez, Yu, Rundle

Institution: Universidad Complutense Madrid & Univ. Colorado.

Program's heritage (ie name and author of predecessor code if any): None

Actively being further developed (y/n): Not at the moment

Language: FORTRAN

2d (y/n): NO

3d (y/n): YES

Elastic full space (y/n):

Elastic half space (y/n):

Layered elastic (y/n):

Viscoelastic half space (y/n):

Layered viscoelastic (y/n): LAYERED VISCOELASTIC-GRAVITATIONAL

Maximum number of faults: BASIC CODE, 1 RECTANGULAR DIPPING FAULT

Forward model (y/n): YES

Inversion capability (y/n): NO

Type of inversion:

Finite element ability (y/n):

Boundary constraints:

Automatic mesh generation:

Includes self gravitation (y/n): YES

Quasi-static failure criteria (y/n): KINEMATIC ONLY

User defined failure criteria (y/n):

Hardwired failure criteria (eg Coulomb):

Dynamic solution (y/n): NO

Includes waves (y/n):

Highest resolved frequency:

Includes inertia (y/n): NO

Are there accompanying utilities (y/n): CONTAINED IN PROGRAM

Is it one main program or several programs that communicate via scripts, files, and pipes? ONE PROGRAM WITH DEPENDENCIES

If it is several programs, please give a 1 line description of the major players.

Input format description: FAULT PARAMETERS VISCOELASTIC PARAMETERS (LAYER THICKNESS, MODULI, AND RELAXATION TIME)

Output format description:

Is this code available to interested researchers (y/n): YES, ONLINE AT WEB SITE BELOW

Executable available (y/n):

Type of machine:

Source available (y/n): YES THESE CODES ARE AVAILABLE ON THE FOLLOWING WEB SITE (Maintained by C&G and Intl. Assoc. Math. Geology): (http://www.iamg.org)

Please describe what you consider to be the important features of this code in a paragraph or two.

Article on which code is based is available at C&G web site (http://www.iamg.org). Complete description can be found there.

References describing the algorithms or results from use:

JF Fernandez, T-T Yu, and JB Rundle, Deformation produced by a rectangular dipping fault in a viscoelastic-gravitational layered earth model. Part I: Thrust fault - FLTGRV and FLTGRH fortran programs, Computers & Geosciences, vol 22, pp. 735-750, 1996 (As corrected: C&G, vol 25, 301-307,1999).