What Have We Learned Since the 2020 Stanley, Idaho, Earthquake?
Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Zach Lifton, geologist with the Idaho Geological Survey. Map of USGS “Did You Feel It?” reports for the March 31, 2020, M6.5 Stanley, Idaho, earthquake. Taken from https://earthquake.usgs.gov/earthquakes/eventpage/us70008jr5/dyfi/intensity. For many years, the Sawtooth fault, in central Idaho, was recognized as an active fault, but it remained understudied. Then the Stanley earthquake shook much of the northwestern USA in 2020, providing dramatic confirmation of the area’s tectonic activity. The quake spurred a flurry of research that is shedding light