Screen shots of Locas Array which is used to determine quickly the asimuth of the event

this is the first screen from here you choose the file from the array you want to look at

You get to see the traces from the array and then you choose the reference station.

It highlights the reference trace and filters you the select process.

The processing happens and you get this screen showing the azimuth and apperent velocity.
This software is from
Ramon Ortiz
Dep. Volcanologia CSIC
Jose Gutierrez Abascal 2
28006 Madrid
Epaña