Earthquake lights from Tagish Lake, Yukon-Alaska border region. Estimated size 1 m diameter. Large orbs are visible in the foreground. These slowly drifted up the mountain to join the more distant ones (highlighted by arrows).
Earthquake lights from Tagish Lake, Yukon-Alaska border region. Estimated size 1 m diameter. Large orbs are visible in the foreground. These slowly drifted up the mountain to join the more distant ones (highlighted by arrows).