350 earthquakes at Mount St. Helens since February is a sign that new magma is moving into the volcano according to USGS. On ...

Over 400 earthquakes have been detected near Mount St. Helens since mid-July, but the United States Geological Survey says that it isn’t something to worry about. Read more: https://www.koin.com ...

The sediment retention dam in Toutle has become less and less effective as it fills, switching from catching about 80% of ...

An curved arrow pointing right. Mount St. Helens has recently been swarming with geological activity, which could mean the giant American volcano is gearing up for its next big eruption.

“High rates of seismicity, interpreted as recharge, have been observed in the past at Mount St. Helens and at other volcanoes ...

Mount Adams, Washington state's largest active volcano, is witnessing a surge in seismic activity. The seismic activity has ...

WA leaders are reassessing their plans for the possibility of an eruption at Mount Adams or Mount St. Helens. Dozens of local ... a geologist for USGS, told the coordination plan workgroup.

So far, there has been no impact on monitoring. But the potential is there if the limitations at the federal level continue.

This striking satellite photo shows the unusual shape of Spirit Lake, which was transformed into a giant anatomically inaccurate heart by the explosive eruption of Mount St. Helens in 1980.

A very common case study for volcanoes is the eruption of Mount St Helens in the USA in 1980. Other case studies include the eruption of Mount Etna in Sicily in 1974 and Heimaey eruption in ...