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