download seismic data from iris - ceri - the center for earthquake …€¦ · download seismic...
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Download Seismic Data from IRISDownload Seismic Data from IRIS
A step‐by‐step guide
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Go to “www.iris.edu”Go to www.iris.edu
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Click on: Data > Request ToolsClick on: Data > Request Tools
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Click on: “WILBUR II”Click on: WILBUR II
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Select a Date Range, a Selection Radius dand an Approx. Location
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…Then Select the Event from the list…Then Select the Event from the list
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Select Station Network(s) and l k “ d”Click on “Proceed” Button at Bottom
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Select Channel(s)Select Channel(s)
DEPTH (km)
DISTANCE (degrees)
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Select “Good Only” l (Signal‐to‐Noise Ratio (SNR
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Click on: “Apply Filter”Click on: Apply Filter
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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.
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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.
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Fill out username (i.e. egrant005) and h l b l ( )the request label (i.e. EQname_EQsize)
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Click on “Process Request”Click on Process Request
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Leave Webpage Open and Wait…Leave Webpage Open and Wait…
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Eventually the Webpage will tell you h lthat your Request is Complete
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Click on: “current FTP directory”Click on: current FTP directory
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Click on link to SAC file(s) and dSave in your HOME directory