IRIS URL Builder 

1. Go to: http://service.iris.edu/irisws/timeseries/docs/1/builder/
2. Select the URL Builder tab
3. Enter fields as outlined below for Alva’s seismic station

• Network: GS
• Station: OK035
• Location:
  • 00 (for broadband)
  • 20 (for strong motion)
• Channels (for broadband only)
  • HHZ (vertical motion)
  • HH1 (north-south motion)
  • HH2 (east-west motion)
• Channels (for strong motion only)
  • HNZ (vertical motion)
  • HN1 (north-south motion)
  • HN2 (east-west motion)
• Start/End Times
  • Select dates from the drop down menu
  • Modify the time to get at specific events (convert time to 24hr time, then add 6 hours)
    • Example: a 10:30 PM quake’s time on January 6^th in Oklahoma should be T04:30:00 on January 7^th in the search queue
• Make sure “Plot” is selected from the Output option near the bottom right of the screen
• Leave other fields/checkboxes as they are at first, you can experiment with them later to see what they do
• The link at the bottom of the page will display the plot!  This link can also be copied and shared with others.

Software for managing raw data: Dimas

Dimas uses the “miniseed” output data on the URL Builder described above.

To access other seismic station data around the globe, go to http://ds.iris.edu/mda (or Google search IRIS MDA).  GS is the US Geologic Survey’s network.  Alva’s station is OK035.