IRIS has a variety of tools for requesting and viewing data, including DHI clients and mapping tools. An easy way to find these tools is displayed on the chart for Request Methods and Data Repositories.
The Data Access Chart, also know as the “mousepad,” has been revised for 2009.
New links added:
You can find the clickable chart at http://ds.iris.edu/data/request.htm
by Tim Knight (IRIS Data Management Center)