Earthquakes at Mount St. Helens from Mar. 14, 2016 - May 4, 2017
Detailed Description
Map view plot of earthquakes located by the Pacific Northwest Seismic Network from March 14, 2016 through May 4, 2016. Only high-quality locations are shown (8 or more observations with a 130 degree gap or less between observing stations).
Sources/Usage
Public Domain.