How to Download Accelerogram for given Earthquake Event?

Following are steps for downloading acceleration time history for any earthquake record:

  1. Open http://service.iris.edu/irisws/timeseries/docs/1/builder/
  2. Check station info from http://ds.iris.edu/wilber3/find_event
  3. You can find more about parameters of timeseries inputs from find event page of wilber3
  4. Network = II, Station = AAK, Location = 00, Channel = BH1, Start time = 2015-10-26 09:11:18, End time = 2015-10-26 09:21:18, Correction = Perform Instrument Correction, Frequency Limits = 0.001-0.02-0.02-9. Check differentiate, taper = 0.1, taper window = cosine, output = plot
  5. The url link is generated below, press to open in new tab. A time history plot will be opened in new window, which, you can save as image.
  6. Change the output type to ASCII: 2 column format, and click the below link to download the data.
  7. You can also change to audio to hear calculated sound of earthquake.
  8. Change channel to BH2 and then BHZ to download other components.
  9. Open the text file in spread sheet to process data.
Timeseries Data form
Timeseries Data form

 

Below is video explaining above steps: FB page of Engineering Programs

How to Download Seismogram for Given Earthquake Event?

Following are steps for downloading seismogram from IRIS Wilber3 for any earthquake event from any station:

  1. Open http://ds.iris.edu/wilber3/find_event
  2. You can view recent requests to download or Load Event Data.

    Find Earthquake Event and Station Info at Wilber 03
    Find Earthquake Event and Station Info at Wilber 03
  3. Select Past 12 months, M4.0+ in combo box of Load Event Data and Specify start and end date as 2015-10-26
  4. Scroll down to select event at date (utc) 2015-10-26 09:09:42 and click it to open.

    Station Details for Given Event
    Station Details for Given Event
  5. You can check coordinates, date, depth, and Related event page. Select the station for which you want to download data. Use map to zoom for stations.
  6. In the list below, click the station for which you want to download data.
  7. Select AAK. A popup will appear showing seismogram, phase arrival, time range. You can also select the instrument to preview its data. You can change time range to customize the seismograph. Close this pop up.

    Station Details for given Earthquake Event Showing Seismograms
    Station Details for given Earthquake Event Showing Seismograms
  8. With station AAK selected, press Show Record Section in side pan on right to see detailed seismograms.

    Show Record Section shows recorded seismograms at different stations.
    Show Record Section shows recorded seismograms at different stations.
  9. Press Request Data button, give your desired time range, data output format (SAAC or miniseed), bundle type, and fill the request info along with your email to let know you when the download file is ready.

    Request Data form helps in downloading earthquake record.
    Request Data form helps in downloading earthquake record.
  10. Press Submit button and check save these settings as default.

Below is video tutorial of above steps: