PORTLAND, Ore. — Mount St. Helens’ Johnston Ridge Observatory will remain closed to the public until at least 2026 due to road repairs on Spirit Lake Highway, a Washington State Department of ...
VANCOUVER, Wash. (KPTV/Gray News) - Mount St. Helens, which notoriously erupted in 1980, has been showing signs of increased seismic activity lately, according to the U.S. Geological Survey. It’s ...
Vancouver -- Highway crews expect to reopen the last nine snow-socked miles of state Highway 504 to the Johnston Ridge Observatory by Friday, just in time for the anniversary of Mount St. Helens ...
However, there have been other periods on similar seismic activity that did not lead to eruptions, namely in 1988-1992, 1995-1996 and 1997-1999. So more earthquakes does not guarantee an eruption, the ...
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