Strange phenomena captured on the TBS and Tepco webcams may be related, but time-stamping each event for confirmation may be a little tricky.
My interpretation is that they signify ongoing FISSION activity at Fukushima:
Event 1 was detected and posted by ChasAha at Enenews:
Screen capture below and better view posted by ChasAha at this dropbox link
ChasAha used the Fuku1live tape to find it
fuku1long (2x speed) 2013-04-15 20:00 hrs
Event 2 was detected by Elibi and posted at Enenews.
Elibi writes: Hi all. Was watching TBS on and off this morning. It was blue, highly pixellated and then it was pink,see below, and then blue again. This pink is a filter or what?
JST 18h38 2013 15 04