THE BLASTING CREW WAS GETTING READY TO SHOOT A SHOT IN PIT 1. AS THE SHOOTER CONNECTED THE BLASTER TO THE LOGGER, APPROXIMATELY 20 TO 30 SECONDS INTO THE PROGRAM, ONE HOLE DETONATED. THE AREA WAS SECURED AND M.S.H.A. WAS NOTIFIED. A K-ORDER WAS ISSUED.INVESTIGATION IS ONGOING, WITH K ORDER STILL ON THE LOGGER BLASTER AND CAPS.