Webicorders show a record of how the
ground moved at a particular seismograph station. They are divided into the following types of
stations:
Webicorders plotted on map are current to within five minutes. To view an event's webicorder, first plot the type(s) of webicorders you would like to view and then select an event from either the map or the list. The select box labeled "Event Webicorders" will list all plotted webicorders in order of distance from event.