[Shake-dev] GMICE in ShakeMap v3.5

[Boatwright, John]

Dear Célia,

That is a coding problem in ShakeMap resulting from an early decision
by Dave Wald not to use PGA-only (or PGV-only) data to estimate
intensity.  I think that the relations between PGA and intensity are
good enough estimate intensity when PGV is not available, but you
would have to talk to Bruce Worden to obtain a work-around.  (Or fake
the PGV data using the GMICE.)

           take care,       Jack

On 6/4/13, Célia Marreiros <celia.marreiros at ipma.pt> wrote:
> Dear shake-dev,
>
> I have been working on our ShakeMap v3.5 installation in Portugal.
>
> I´m trying to run ShakeMap v3.5 for some small
> earthquakes using  the Wald99 as GMICE.
> However, in cases where i haven´t observed
> intensities and only have observed PGA (not observed PGV)
> the ShakeMap doesn´t convert the observed PGA to intensity.
>
> I have the observed PGA from a M3.6 in Portugal.
> When i run the ShakeMap 3.2 with the PGA as
> input, the  instrumental intensity map agrees
> well with the macroseismic observations.
>
> I would like to obtain converted intensities from
> ShakeMap 3.5 using Wald99 as GMICE, even if only
> have observed PGA as input data.
>
> I'd appreciate any suggestions.
>
> Thanks in advance,
>
> Celia
>
>
> _________________________________________________
> Célia Marreiros
> Instituto Português do Mar e da Atmosfera, I.P.
> celia.marreiros at ipma.pt
>
> Rua C ao Aeroporto
> 1749-077 Lisboa
> Fax:    +351 218 402 370
> Telef:  +351 218 447 000
>