Map showing earthquake focal mechanisms in the Yellowstone region
By Yellowstone Volcano Observatory
2004 (approx.)
Detailed Description
Map showing earthquake focal mechanisms in the Yellowstone region. Mechanisms labeled (a) and (b) are two different solutions for the 1959 M 7.3 Hebgen Lake earthquake. The mechanism labeled (c) represents the 1975 M6 Norris Junction earthquake. (Source: Waite and Smith, 2004; https://doi.org/10.1029/2003JB002675)
Sources/Usage
Public Domain.
Source: Waite and Smith, 2004; https://doi.org/10.1029/2003JB002675