When the puddles stop appearing on the garage floor, it means it's time to add some more oil to your engine.
Just kidding. But do check the level on the dipstick!
The first thing to do is remove the underpan and try to figure out where the oil is leaking from. It could be as simple as a loose oil filter.
__________________
Subaru ECU and TCU Website
1992 Alcyone SVX Version L
1992 Alcyone SVX Version L
1994 Alcyone SVX S40-II
2004 Subaru Legacy 2.5 SE Sports Tourer
1996 Subaru Legacy 2.2 GX Wagon
1988 Subaru Justy J12 SL-II