How to View Catalogs
Download Google Earth:
(Click on ‘Download Google Earth’ in upper right corner)
Choose a file from the list below. (e.g. 1987/)
Right-click on the file
Right-click on the 'kml' file to download. (e.g. 1987.kml)
Open Google Earth
Click the 'Add' tab at the top of the screen.
Go to 'Network Link'.
Name your link (OK_EQs_1987).
Click 'browse' and select the .kml file downloaded from the catalog.