White describing changes in hot spring discharge and geyser eruption patterns to the Aug. 17, 1959, M7.3 Hebgen Lake, Montana, earthquake, which had an epicenter about 48 kilometers (30 miles ...
including the magnitude 7.3 earthquake that hit Hebgen Lake in 1959. This quake was extremely powerful when compared to any ...
During the 1959 Hebgen Lake Earthquake Sapphire Pool erupted and the biscuits were blown away. Even without the biscuit-like deposits, Sapphire Pool is still amazing! If you want to spend more ...