[CIG-SEISMO] how to derive Moment tensor from fault angles (PS / important)

[Dimitri Komatitsch]

PS: note that the Aki and Richards (1980) convention is slightly 
different from the Harvard CMTSOLUTION convention (the sign of some 
components is different). Thus our C code outputs both.

Best regards,
Dimitri.

On 05/08/2013 12:59 PM, Dimitri Komatitsch wrote:
>
> 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