[CIG-SEISMO] how to derive Moment tensor from fault angles

[Dimitri Komatitsch]

Dear Zhaoming,

You can use
SPECFEM3D_GLOBE/trunk/utils/strike_dip_rake_to_CMTSOLUTION.c

(the formulas are for instance in Aki and Richards 1980).

Best regards,
Dimitri.

On 05/08/2013 12:47 PM, zhaoming wrote:
> Dear Dimitri,
> In your 2010's paper you use a source which has a Moment Tensor with
> strike=0,dip=20,rake=45,I wonder how to change these parameters into a
> Moment Tensor(Mrr,Mrθ,etc),what's the equation for this?Or can you
> kindly tell what's the CMTSOLUTION you use in this paper so that I can
> do a test?Many thanks and wait for your reply!
> Best
> ------------------------------------------------------------------------
> zhaoming
>
>
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-- 
Dimitri Komatitsch
CNRS Research Director (DR CNRS), Laboratory of Mechanics and Acoustics,
UPR 7051, Marseille, France    http://komatitsch.free.fr