What was found
(CAN) SIGNIFICANT ENG VIBRATION ON DEPARTURE, NR 2 ENG SHUTDOWN. ACFT DIVERTED, EMER DECLARED WITH ATC, CFR ON STANDBY. FLIGHT DEPARTED & THE ENG SURGED MULTIPLE TIMES AT 13 000 FT, WITH AUDIBLE BANGS & SMOKE, & LOSS ABOUT 40% OF POWER. THERE WERE NO ENG PARAMETER EXCEEDANCES OR FAULT MSGS. THE ENG N1 STARTED TO SPOOL DOWN FROM 87% TO 57% WITHIN 1 MINUTE. N2 VIBRATION NOTED AT 1.13 & REACHED A MAX VALUE OF 1.38. FUEL FLOW DECREASED FROM 5,000 LBS TO 900 LBS. THROTTLE TLA WAS REDUCED TO 21 DEG, EQUIVALENT TO FLAT IDLE FOR ERJ. CREW PERFORMED QRH NPA 1-8. SEVERE DAMAGE CHECKLIST & SHUTDOWN THE ENG. NOT AN UNCOMMANDED SHUTDOWN. THE CREW ELECTED TO DIVERT. THE INITIAL PICTURES SHOW DAMAGE TO THE COMPRESSOR & A BROKEN STAGE 1 VSV CLEVIS. BOTH MASTER & SLAVE VSV ATTACHMENT LINKAGES WERE FOUND BROKEN AT COMPRESSOR STAGE NR 1. THE ENG IS ORIGINAL WITH THE ACFT & WAS INSTALLED AUG 9 2007.