(Scott Mills, OR)  --  A small earthquake is reminding people that the "Big One" is yet to come.  A four-point-zero magnitude earthquake struck yesterday around 5:30 p.m. near the town of Scotts Mills.  The U.S. Geological Survey reports it hit a depth of about 10 miles.  Experts say the event is a reminder that a monster nine-point-zero quake is still on the horizon.  No damage or injuries were reported from yesterday's tremor.