Mount St Helens , United-Sates of America : Small magnitude earthquakes detected at Mount St. Helens.

Mount St Helens , United-Sates of America : Small magnitude earthquakes detected at Mount St. Helens.

Small magnitude earthquakes detected at Mount St. Helens. On March 14, 2016, the seismic network at Mount St. Helens began detecting small magnitude earthquakes at a depth of 3–4 km beneath the crater. Twelve earthquakes have been formally located and the local seismic network…