Cessna 205 catastrophic engine failure while flying on an IFR flight plan from S36 (Seattle, WA) to KMYV (Sacramento, CA) Cruising at 9,000 feet. IO-470-S engine suddenly vibrated and then immediately exploded, stopping the propeller instantly. Glide and divert to KHIO (Hillsboro, OR) captured on a GoPro Hero. ATC audio partially from LiveATC.net. No word yet on cause of failure, photos at the end of the video show the damage.