Web service host name - Sets the host for FDSN web-services queries (For example: earthquake.usgs.gov), or file containing XML response from an FDSN Event web-service request or equivalent QuakeML eventParameters XML. Use File... button to choose an XML file in a file dialog.
Start time - Sets the start time of event query interval (ignored if response read from XML file).
End time - Sets the end time of event query interval (ignored if response read from XML file).
Minimum Magnitude - Sets the minimum magnitude for the event query (ignored if response read from XML file).
Maximum Magnitude - Sets the maximum magnitude for the event query (ignored if response read from XML file).
Load Events - Performs specified FDSN query or reads specified XML file and displays returned events in an interactive and sortable, Event Selection table.
To merge event meta-data, double click on the desired event in the table.
The table can be sorted on any column by clicking on the column header.
Apply to all trace groups - If selected, merges event meta-data for all trace groups, only for active trace group otherwise.