Download Seismic Data from IRIS - CERI - The Center for Earthquake …€¦ · Download Seismic...

Post on 01-Jun-2020

1 views 0 download

transcript

Download Seismic Data from IRISDownload Seismic Data from IRIS

A step‐by‐step guide

Go to “www.iris.edu”Go to  www.iris.edu

Click on: Data > Request ToolsClick on: Data > Request Tools

Click on: “WILBUR II”Click on:  WILBUR II

Select a Date Range, a Selection Radius dand an Approx. Location

…Then Select the Event from the list…Then Select the Event from the list

Select Station Network(s) and l k “ d”Click on “Proceed” Button at Bottom

Select Channel(s)Select Channel(s)

DEPTH (km)

DISTANCE (degrees)

Select “Good Only” l (Signal‐to‐Noise Ratio (SNR

Click on: “Apply Filter”Click on:  Apply Filter

At Bottom, Select file formatAt Bottom, Select file format

For small number of SAC files, “individual files” is OK.For small number of SAC files,  individual files  is OK.

Not recommended for a large number of files.

Select Timing ParametersSelect Timing Parameters

Depending on what seismic phases you are interested in (i.e. PP, pP, PcP,Depending on what seismic phases you are interested in (i.e. PP, pP, PcP, PKIKP, etc.) you may want to increase timing parameters from the 

DEFAULT values.

Fill out username (i.e. egrant005) and h l b l ( )the request label (i.e. EQname_EQsize)

Click on “Process Request”Click on  Process Request

Leave Webpage Open and Wait…Leave Webpage Open and Wait…

Eventually the Webpage will tell you h lthat your Request is Complete

Click on: “current FTP directory”Click on:  current FTP directory

Click on link to SAC file(s) and dSave in your HOME directory