As a result of rising Cause_change_of_position_on_a_scale ambient radiation levels off-site , a radius exclusion zone was created Creating 36 hours after the accident .

Chillits is an annual ambient music weekend-long outdoor party Social_event , usually held Hold every September , starting Process_start in 1999 .

All told , some 154,000 residents evacuated Escaping from the communities surrounding the plant due to the rising off-site levels of ambient ionizing radiation caused Causation by airborne radioactive contamination from the damaged reactors .

The festival Social_event incorporates Cause_to_amalgamate attractions such as the 24-hour cinema tent , the Body and Soul arena ( offering Supply an ambient lounge with beanbags , massages and tarot card readings ) and the Comedy Tent ( curated by Gerry Mallon ) and a silent disco .