Alaskan Thunder Fuck (also referred to as ATF, Matanuska Thunder Fuck or Matanuska Tundra) is a legendary sativa marijuana strain originating in the Matanuska Valley area of Alaska. According to the legend, it was originally a Northern California sativa crossed with a Russian Ruderalis, but sometime in the late 70s it was crossed with Afghani genetics to make it heartier. (28.91%) Dominant terpenes : beta-Caryophyllene - .7%, beta-Myrcene - .43%, Limonene - .39%, alpha-Humulene - .33%, Farnesene - .20. Total terpenes - 2.5% (33.94% THC)