Re: [seisan] Seisan Sfile problem with Hypoinverse

[Lars Ottemöller]

Hi Kyle,

This probably needs a fix in hypoinverse, but until that is done, you should be 
able to continue with the old Nordic format by setting NORDIC_FORMAT to 1.0.

Regards,
Lars

From: seisan-boun...@geo.uib.no  on behalf of 
Homman, Kyle A 
Sent: Thursday, May 23, 2024 5:45 PM
To: seisan@geo.uib.no 
Subject: [seisan] Seisan Sfile problem with Hypoinverse

When using Seisan 13 (mac version) it seems that locating an event in EEV with 
hypoinverse causes problems with the components in the output Sfile.  
Specifically, instead of calling out the component names it is writing a "2" 
for every component.

Previous outputs:

STAT SP IPHASW D HRMM SECON CODA

L56A HZ EP   0   1720  1.25

New phase line output after upgrading to version 13.

STAT SP IPHASW D HRMM SECON CODA

IUPA  2 EP   0   1312 50.58

I wanted to check and see if there are any settings I missed somewhere or if 
this might be a known bug.  In SEISAN.DEF I have,

NORDIC_FORMAT 0.0

Thanks!

[External email] Make sure you recognize the sender's email address before you 
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Re: [seisan] Question about CORR

[Lars Ottemöller]

Hi Alejandra,

the only way to reduce computation time would be to limit the distance 
between events for which correlation is calculated. This may be tricky 
considering location errors. It probably would be faster to work with 
event files rather than continuous archive, but you may be doing that 
already. If the data are locally on your SSD drive, there is not much 
improvement possible on the reading speed. As corr was not really 
developed for large data sets, you may also want to look at 
alternatives. Sorry I don't have a better answer.


Best regards,

Lars

On 09.03.2023 07:41, Alejandra Martínez wrote:

Hi everyone!

I am using CORR to obtain a cross-correlation dataset for HypoDD 
relocation purposes. I have some questions about it, and I hope 
somebody can help me:


The catalog I want to use is quite large, with around 1000 seismic 
events. When I ran CORR with 400 events it took almost a week to 
finish the correlation. Is there a way to accelerate this process? 
Regarding the configuration or even specifications/recommendations of 
a more suitable computer to perform this process. I am working with an 
AMD Ryzen 7 Radeon RX Vega 10, SSD 512GB, 8GB RAM.


I hope somebody can help me. Thanks in advance!

Alejandra

--
*Alejandra Martínez*
*Ingeniero Geofísico *
*+58 414 377 63 92
*
*Caracas, Venezuela*


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Re: [seisan] SEISAN files conversion

[Lars Ottemöller]

Dear Esref,

conversion between SAC and SEISAN can be done with wavetool. You should 
also be able to convert from eev by typing 'sac' and get at least the 
event parameters into the headers - please try as I have not used this 
in a while.


Regards,

Lars

On 1/5/2023 7:23 PM, ESREF YALCINKAYA wrote:

Dear Seisan users,

I need to convert SEISAN waveform files to SAC files (or mseed) with 
header information, for example event location (evla, evlo, evdp) and 
phase arrivals (amarker) which are kept s-files in SEISAN format. How 
can I do that?


Best regards,

--
Prof.Dr. Esref YALCINKAYA
Istanbul University-Cerrahpasa Engineering Faculty
Geophysical Engineering
34320 Avcilar Istanbul/TURKEY
Tel: 90 212 4737070/17572
Cell:05326904463
Fax: 90 2124737180
Web :http://aves.istanbul.edu.tr/eyalcin/


/*Yasal Uyarı:* Bu elektronik posta, /*/buradan/ 
 
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Re: [seisan] Maximum time window in eev

[Lars Ottemöller]

Hi Ivonne,

eev calls mulplt, so normally you should get the same time window. Do you have 
a waveform file, or do you plot data from an archive?

Regards,
Lars

From: seisan-boun...@geo.uib.no  on behalf of Ivonne 
Arroyo 
Sent: Monday, October 17, 2022 9:02 PM
To: seisan@geo.uib.no 
Subject: [seisan] Maximum time window in eev

Hi everybody,

Is there somewhere a parameter that controls the maximum display window while 
using eev? I need to display a 25-minutes long window. I can see the 25 minutes 
while extracting the waveform using mulplt, but when locating the (big and 
relative distant) event with eev, I can only see 20 minutes.

Any help is welcome! Thanks,

Ivonne
Universidad de Costa Rica

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Re: [seisan] erln, erlt, erdp

[Lars Ottemöller]

Hi,

it is the last 3 numbers in the 2nd row on your screen shot (0.4, 0.7, 
0.0). If your question is what these are, it is error in longitude, 
latitude, depth - all in km.


Regards,

Lars


On 1/28/2022 5:10 PM, Elham Moslemi wrote:

Hello SEISAN community,

I am using SEISAN for a while but couldn't succeed in finding 3 
parameters "erln", "erlt", and "erdp" when using "l" to locate my 
events. Could anyone help me with knowing them in any PDF guide?

You will find a screenshot in the attachment.



Thank you,
Ellie

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[seisan] Fwd: seismogram in wavetool

[Lars Ottemöller]

Dear Antonio,


unfortunately that would be a new feature, all SEISAN amplitudes are 
based on nm. One way to get around it is to adjust the scaling on the 
response files, perhaps also not ideal, but an option.



Regards,

Lars



 Forwarded Message 


Subject:[seisan] seismogram in wavetool
Date:   Fri, 14 Jan 2022 11:58:20 +
From:   AAbrego 
To: 	Elham Moslemi , seisan@geo.uib.no 





Hello there:

I´m trying to use wavetool (option 3) to generate corrected 
accelerograms from MSEED files. It seems that the output is a time 
history in nm/sec/sec. This is fine and the output is corrected assuming 
one have the appropriate RESP file for the instrument.


However, I wonder if there is a way I can change directly the default 
output from nm/s/s to something standard (m/s2, cm/s2 or even g´s) for 
plotting these time histories in a different software (i.g. 
seismosignal, etc.). Is there an additional step that I could apply to 
this output files to bring them form nm to m? I know that I can take 
this output files, convert them to ASCII and then with EXCEL I can bring 
them to whatever units I want. However, If I have several components, 
and several stations, this might get time consuming and complicated.


Regards,

Antonio

Antonio Abrego Maloff

Ingeniero Civil

Vicepresidencia de Infraestructura e Ingeniería

Tel: 276-1989 - _www.pancanal.com _

_aabr...@pancanal.com _

*From:*seisan-boun...@geo.uib.no [mailto:seisan-boun...@geo.uib.no] *On 
Behalf Of *Elham Moslemi

*Sent:* Monday, January 3, 2022 12:48 PM
*To:* seisan@geo.uib.no
*Subject:* [Correo externo]:[seisan] Font installation

Hello SEISAN community,

I am using SEISAN on a windows 10 machine remotely using X2Go. The 
remote computer is a Linux CentOS 7. When I run "po" within eev on the 
database, I give the error "Unable to get font". Other commands work well.


I know to solve this issue, the proper font needs to be installed on 
Linux, the source computer SEISAN is installed.


I would appreciate it if anyone could help me that where to find the 
font and how to install it on CentOS 7?


Thank you,

Elham Moslemi
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Re: [seisan] extracting large amount of data using WAVETOOL

[Lars Ottemöller]

Hi Rod,

yes you should be able to increase maximum number of samples in 
seidim.inc and recompile.


Regards,

Lars


On 12/23/2021 4:12 PM, Roderick Stewart wrote:
I want to extract several hours of data from a SEISAN database with 
WAVETOOL.


I’m using SEISAN version 12 on Debian Linux.

I use this command:

$ wavetool -cwav -start 2021121403000 -duration 8300 -wav_out_file 
test -format MSEED


I get error messages saying “Number of maximum samples exceeded”, when 
I try to extract 8400 seconds or more of data, most of which is 
sampled at 200 Hz.


I don’t fully get what the -maxpoints option does, but I don’t think 
it will help me.


Can I just change a value in the code and recompile?

Rod

--
Roderick Stewart
Research Fellow (Volcano-Seismology), Montserrat Volcano Observatory
www.mvo.ms 
email: r...@mvo.ms, roderick.stew...@gmail.com, rstew...@my.uwi.edu

phone: (+1-664) 491-5647
fax: (+1-664) 491-2423
direct line: (+1-664) 491-5726
mobile: (+1-664) 495-0743
home: (+1-664) 491-3139
roaming: +44 7452 023889
trinidad: +1 (868) 780-4296‬








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Re: [seisan] New to Seisan

[Lars Ottemöller]

Dear Nkululeko, 

it looks like you have an issue with the response files. You can try to
plot these with program presp, or in MULPLT with command ':' in single
trace mode. 

Regards, 

Lars 

On 2021-08-05 12:54, Nkululeko Qwabe wrote:

> Dear Members 
> 
> I recently took o a role that requires me to work on some Seismic data for 
> our stations in South Africa. I am relatively new to the field and Seisan and 
> would like some help with setting it up. 
> 
> I have installed Seisan version 12 on a Windows 10 Pro OS. I have some 
> MiniSeed files from ome of our stations and some response files.  
> 
> I have managed to use 'maekrea' and 'autoreg' to register the data in the 
> database. I can plot the events in EEV. However, I now need to get values 
> from the data i.e. event magnitudes and ground motion acceleration etc.  
> 
> One of the problems is that Seisan complains that the 'amplitudes are not in 
> nm, nm/s or nm/s*s' and so the values for AMP, IAML appear in 'counts' and 
> period. Also when I try the Wood Anderson window, it complains about a 
> 'Fortran runtime error: End of file at line 2188 of file sys_resp.for'. 
> 
> I would appreciate any help on this.  
> 
> Thank you all in advance. 
> 
> Here's my procedure below: 
> 
> 1. MAKEREA (THE IMAGE BELOW SHOWS A REPEAT OF THIS) 
> 
> 2. DIRF VPS1.* 
> 
> 3. AUTOREG (THE IMAGE BELOW SHOW A REPEAT OF THIS STEP) 
> 
> 4. COPIED THE RESPONSE FILES INTO SEISMO\CAL\ 
> 
> 5. UPDATED STATION0.HYP WITH VPS1 COORDINATES (I'M NOT SURE IF THIS CORRECT) 
> 
> 6. OPENED THE S FILES IN EEV 
> 
> 7. PLOT THE DATA IN EEV 
> 
> 8. IAML - SHOWS VALUE IN COUNTS INSTEAD OF NM. 
> 
> 9. AMPLITUDE IS NOT IN NM, NM/S OR NM/S*S 
> 
> 10. WOOD ANDERSON COMPLAINS ABOUT THE RESPONSE 
> 
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Re: [seisan] changing user in Windows 10

[Lars Ottemöller]

Hi Rod, 

if you can see the seisan folders and access files, it is probably a
matter of setting the environmental variables as PATH, SEISAN_TOP,
DEF_BASE, SEISAN_EDITOR - this is done under the advanced system
settings, see environmental variables at the bottom. 

Lars 

On 2021-03-10 14:24, Roderick Stewart wrote:

> I installed seisan in Windows 10 and it worked. 
> 
> I then decided that I didn't like being a Microsoft account user, so moved to 
> a local account. 
> 
> SEISAN doesn't work under the new account. 
> 
> Is there a simple fix to this, or do I have to re-install? 
> 
> Rod 
> 
> --
> Roderick Stewart
> Research Fellow (Volcano-Seismology), Montserrat Volcano Observatory
> www.mvo.ms [1]
> email: r...@mvo.ms, roderick.stew...@gmail.com, rstew...@my.uwi.edu 
> 
> phone: (+1-664) 491-5647
> fax: (+1-664) 491-2423
> direct line: (+1-664) 491-5726
> mobile: (+1-664) 495-0743
> home: (+1-664) 491-3139 
> roaming: +44 7452 023889 
> trinidad: +1 (868) 780-4296‬ 
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Re: [seisan] Strange behaviour in Windows 10 mulplt

[Lars Ottemöller]

Hi Rod, 

yes that is strange. Did you check diskspace? 

Sounds like only dirf becomes a problem when you run it? Does it fully
disappear from PRO, or is is 'only' no longer starting? 

Cheers, 

Lars 

On 2021-02-28 16:04, Roderick Stewart wrote:

> I did more testing and discovered that the dirf executable is vanishing from 
> the PRO directory. 
> 
> I used the installer to repair seisan and the executable was there. 
> 
> I ran dirf and the executable was still there. 
> 
> I ran dirf again and the executable had gone! 
> 
> I don't know much about Windows, and this has me totally puzzled. 
> 
> Rod 
> 
> --
> Roderick Stewart
> Research Fellow (Volcano-Seismology), Montserrat Volcano Observatory
> www.mvo.ms [1]
> email: r...@mvo.ms, roderick.stew...@gmail.com, rstew...@my.uwi.edu 
> 
> phone: (+1-664) 491-5647
> fax: (+1-664) 491-2423
> direct line: (+1-664) 491-5726
> mobile: (+1-664) 495-0743
> home: (+1-664) 491-3139 
> roaming: +44 7452 023889 
> trinidad: +1 (868) 780-4296‬ 
> 
> On 28 Feb 2021, at 10:49, Roderick Stewart  
> wrote: 
> 
> Ignore that last email. env and printenv aren't commands in windows 10! 
> 
> --
> Roderick Stewart
> Research Fellow (Volcano-Seismology), Montserrat Volcano Observatory
> www.mvo.ms [2]
> email: r...@mvo.ms, roderick.stew...@gmail.com, rstew...@my.uwi.edu 
> 
> phone: (+1-664) 491-5647
> fax: (+1-664) 491-2423
> direct line: (+1-664) 491-5726
> mobile: (+1-664) 495-0743
> home: (+1-664) 491-3139 
> roaming: +44 7452 023889 
> trinidad: +1 (868) 780-4296‬ 
> 
> On 28 Feb 2021, at 10:40, Roderick Stewart  
> wrote: 
> 
> I just noticed that the DOS commands env and printenv are not recognised as 
> well.  
> 
> Something in the system is messed up! 
> 
> Rod 
> 
> --
> Roderick Stewart
> Research Fellow (Volcano-Seismology), Montserrat Volcano Observatory
> www.mvo.ms [2]
> email: r...@mvo.ms, roderick.stew...@gmail.com, rstew...@my.uwi.edu 
> 
> phone: (+1-664) 491-5647
> fax: (+1-664) 491-2423
> direct line: (+1-664) 491-5726
> mobile: (+1-664) 495-0743
> home: (+1-664) 491-3139 
> roaming: +44 7452 023889 
> trinidad: +1 (868) 780-4296‬ 
> 
> On 28 Feb 2021, at 10:36, Roderick Stewart  
> wrote: 
> 
> I did some more testing. 
> 
> I uninstalled seisan using the installer, then installed from scratch in the 
> default directory. I didn't edit any files at all. 
> 
> dirf worked. 
> 
> I then copied some files to the WOR directory. 
> 
> dirf was not recognised. 
> 
> Rod 
> 
> 
> 
> --
> Roderick Stewart
> Research Fellow (Volcano-Seismology), Montserrat Volcano Observatory
> www.mvo.ms [2]
> email: r...@mvo.ms, roderick.stew...@gmail.com, rstew...@my.uwi.edu 
> 
> phone: (+1-664) 491-5647
> fax: (+1-664) 491-2423
> direct line: (+1-664) 491-5726
> mobile: (+1-664) 495-0743
> home: (+1-664) 491-3139 
> roaming: +44 7452 023889 
> trinidad: +1 (868) 780-4296‬ 
> 
> On 28 Feb 2021, at 09:58, Roderick Stewart  
> wrote: 
> 
> I can't screen dump because network isn't properly set up yet and I couldn't 
> find a memory stick! 
> 
> Attached is the photo. 
> 
> I installed with the install program, then migrated data from WAV, REA, DAT 
> and CAL.  
> 
> I checked the environment variables and the path. 
> 
> Rod 
> 
> 
> 
> --
> Roderick Stewart
> Research Fellow (Volcano-Seismology), Montserrat Volcano Observatory
> www.mvo.ms [2]
> email: r...@mvo.ms, roderick.stew...@gmail.com, rstew...@my.uwi.edu 
> 
> phone: (+1-664) 491-5647
> fax: (+1-664) 491-2423
> direct line: (+1-664) 491-5726
> mobile: (+1-664) 495-0743
> home: (+1-664) 491-3139 
> roaming: +44 7452 023889 
> trinidad: +1 (868) 780-4296‬ 
> 
> On 28 Feb 2021, at 05:43, Jens Havskov  wrote: 
> 
> rod
> 
> there was not a photo. can you not use screen dump? never seen this. did you 
> install with install program or just copied? if copy you have to fix the 
> environmental variables manually.
> 
> jens
> 
> Den 2021-02-27 20:51 skreiv Roderick Stewart:
> I installed SEISAN on a Windows 10 machine, although not in the
> default directory. After installation, I copied some WAV and REA
> databases from another installation.
> I have strange behaviour when I try to process some files. I use dirf
> to list them, then mulplt.
> After I have looked at one or two or three files, mulplt crashes and
> reports that filenr.lis does not exist.
> I then try again, to be told that "'dirf' is not recognized as an
> internal or external command"
> Apologies for sending a photo, but I can't cut and paste easily.
> Any idea what is wrong and how I fix it?
> Rod
> --
> Roderick Stewart
> Research Fellow (Volcano-Seismology), Montserrat Volcano Observatory
> www.mvo.ms [2] 
> email: r...@mvo.ms , roderick.stew...@gmail.com
> , rstew...@my.uwi.edu
> 
> phone: (+1-664) 491-5647
> fax: (+1-664) 491-2423
> direct line: (+1-664) 491-5726
> mobile: (+1-664) 495-0743
> home: (+1-664) 491-3139
> roaming: +44 7452 023889
> 

Re: [seisan] Crash reading GSE File

[Lars Ottemöller]

Dear João, 

what does your response file look like, and can you plot it with presp? 

Regards, 

Lars 

On 2021-02-26 15:43, João Fontiela wrote:

> Hi all,
> 
> In MULPLT single window , SEISAN crash when I read system response in a 
> specific station. The error message is in attached file. 
> What can I do to fix the problem? 
> 
> Yours, 
> João Fontiela 
> 
> *
> *
> João Fontiela, Ph.D
> skype: fontiela
> email: fonti...@gmail.com
> mobile phone +351 917 862 830
> 
> PROFESSIONAL CONTACTS:
> email: jfonti...@uevora.pt
> Tel: (+351) 266 745 354 ext: 25413
> Fax: (+351) 266 745 394 
> 
> PROFESSIONAL ADDRESS:
> Universidade de Évora 
> Instituto de Ciências da Terra
> Colégio Luís Verney 
> Rua Romão Ramalho, 59
> 7000-671 Évora - Portugal
> 
> RESEARCHGATE: https://www.researchgate.net/profile/Joao_Fontiela 
> 
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