Ranger naturalist George D. Marler monitoring of changes in hydrothermal activity in Yellowstone was useful in understanding the changes in hydrothermal activity following the August 1959 M7.3 Hebgen ...
17, 1959, M7.3 Hebgen Lake, Montana, earthquake, which had an epicenter about 48 kilometers (30 miles) northwest of Upper Geyser Basin. In a 1975 paper, Marler and White documented at least 289 ...
and notably in response to the powerful Hebgen Lake earthquake in 1959. Despite its dramatic nature, the recent event was relatively small, according to a statement. Scientists believe that a ...