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Jens Havskov | 1 May 2010 15:49
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Re: SEISAN Updates


luisa

On Wed, 28 Apr 2010, rsncol@... wrote:

> Hi,
>
> We are having troubles with updating our seisan from older versions to the 
> 8.1.3 and 8.2.1 (for linux).
> The first one is that when we update the database with the program UPDATE 
> v8.1.3, it changes the location of the events that where updated form eev.
> We decided to test the update from 7.1.2 version with the eev from 8.2.1 
> version and it works well, it doesn't change the location of the events.
> Now, we are having troubles with the location and updating database, because 
> we are using the S-P differences in some stations, so we set the weight for 
> the P phase input record to 9 and locate the events. The events are located 
> and well updated from eev, but when we update the database (with the update 
> v7.1.2), they turn to high values the RMS factor, and change the hypocenter.
> We changed again the update version to the 8.1.3 and update from eev and then 
> the database, we found that again the location changes but the RMS factor 
> remains low. So, we prefer to not use the S-P differences, but it make us 
> think that there is something wrong with our SEISAN, or with all this 
> versions we use.
> How can we solve it?
>

we jsut discovered that since 2005, the update program does not useprogram 
does no uance weight, so that migh explain why you get different results. 
this will be fixed soon, we actually plan to release a new version of 
seisan within 3 weeks.
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rsncol | 6 May 2010 23:34
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Re: SEISAN Updates

Estimado señor Havskov.

Me han comentado que usted habla español, por lo que me gustaria  
referirme de nuevo a mi inquietud en este idioma.

De acuerdo con lo que usted me contesta, entiendo que al usar el peso  
en las fases, se encuentra un error en el update de las versiones que  
estamos usando, por lo que tengo diferentes resultados cuando  
actualizo desde eev, a cuando actualizo la base en su totalidad con el  
programa update.
Le entiendo tambien, que la nueva version saldra dentro de un par de  
semanas, por lo que espero en ese momento poder hacer una  
actualizacion de mi version de SEISAN y ya no tener estos errores en  
el futuro.

La pregunta ahora es, puedo con esta nueva version tener las fases con  
peso 9 para tener la diferencia de S-P, sin tener problemas de cambio  
en la localizacion?

Puedo tranquilamente actualizar a esta nueva version todos los  
programas de SEISAN, tales como eev, update, select, collect, mulplt,  
etc. y no esperar modificaciones en mi base de datos cuando haga un  
update de datos anteriores a la actualizacion de la version?

Agradezco su atención y pronta respuesta,

Luisa Fernanda Castillo
Red Sismologica Nacional de Colombia

--
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nicola.pagliuca | 7 May 2010 04:48
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======================================================================
  Nicola Mauro Pagliuca <pagliuca@...>          http://www.ingv.it/
  Istituto Nazionale di Geofisica e Vulcanologia - INGV
  Via di Vigna Murata, 605 I-00143 ROMA
  ph  +39 06.51860459    fax  +39 06.5041181     cellph  +39 347.5094411
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Andy Frassetto | 21 May 2010 20:14
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wavetool can't find data for complete continuous database

Hello...hope someone can help with this.

I've made 4 continuous databases (HTS1-HTS4) for hourly blocks of 20 sps 
RT130 data converted into .SEI format using rt_seis.exe. The file 
systems in WAV and REA for the database are consistent with the 
suggested formats in the manual, and I've made sure that SEISAN.DEF is 
correct.

I can view the waveforms using eev, but cannot use wavetool for a simple 
extraction. Here is the error:

andyf <at> drippy:~/bin/Seismo/WOR$ wavetool -start 20080801123000 -format 
SAC -duration 450 -cwav
 Databases are:
     HT1S
     HT2S
     HT3S
     HT4S
 2008  8 Reading events from base HT1S_  No data for year and month: 2008  8
 2008  8 Reading events from base HT2S_  No data for year and month: 2008  8
 2008  8 Reading events from base HT3S_  No data for year and month: 2008  8
 2008  8 Reading events from base HT4S_  No data for year and month: 2008  8
  No data found
  Check if parameter CONT_BEFORE in SEISAN.DEF is large enough
  Wavetool terminated: error

CONT_BEFORE is set at 60. I've tested it for higher and that doesn't 
seem to be the problem.

Anybody have a suggestion?
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Andy Frassetto | 21 May 2010 20:28
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Re: wavetool can't find data for complete continuous database

Never, as soon as I write the email I notice that my database names are 
mixed up.
Ignore this!

-A

Andy Frassetto wrote:
> Hello...hope someone can help with this.
>
> I've made 4 continuous databases (HTS1-HTS4) for hourly blocks of 20 
> sps RT130 data converted into .SEI format using rt_seis.exe. The file 
> systems in WAV and REA for the database are consistent with the 
> suggested formats in the manual, and I've made sure that SEISAN.DEF is 
> correct.
>
> I can view the waveforms using eev, but cannot use wavetool for a 
> simple extraction. Here is the error:
>
> andyf <at> drippy:~/bin/Seismo/WOR$ wavetool -start 20080801123000 -format 
> SAC -duration 450 -cwav
> Databases are:
>     HT1S
>     HT2S
>     HT3S
>     HT4S
> 2008  8 Reading events from base HT1S_  No data for year and month: 
> 2008  8
> 2008  8 Reading events from base HT2S_  No data for year and month: 
> 2008  8
> 2008  8 Reading events from base HT3S_  No data for year and month:
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Gmane