Trojan Nuclear Power Plant was located 12 miles north of St. Helens, Oregon. St. Helens, Oregon, is only 39 miles away from Mount St. Helens, which had a major volcanic eruption in 1980. The heaviest ash fell to the northwest of the volcano in Washington and to some extents Idaho, which respectively have nuclear reactors at Hanford Site and Idaho National Laboratory (although by 1980 only N Reactor was operational at Hanford). Were these reactors ever at risk during the 1980 eruption, or liable to be at risk if the wind had shifted? Also, if completed, would Baatan Nuclear Power Plant have been at risk from the explosion of Mount Pinatubo in 1991? The plant was only a few miles away from Subic Bay, Clark Air Force Base, and Angeles City, all of which were buried under feet of volcanic ash.