Mount Saint Helens showed clear warning signs for months before it erupted in May 1980. Earthquakes shook the mountain, a ...
The warning did not arrive as a single dramatic sign but as a slow distortion of a familiar peak. As the north side of Mount ...
It was a quiet Sunday morning, at 8:32 a.m., 38 years ago when Mount St. Helens blew its top, sending tons of ash into the sky. The volcano had been quiet since the 1850s, but in 1980, geologists were ...