March 31, 2020 M6.5 Stanley Idaho earthquake viewed on many sensors
March 31, 2020 M6.5 Stanley Idaho earthquake viewed on many sensorsHighly sensitive instruments installed deep below the ground surface yield great records of earthquakes near and far. The March 31, 2020, magnitude 6.5 Stanley, Idaho, earthquake shows up very clearly in borehole strainmeter station B944's four different sensors.