Mount Saint Helens 2024. Helens (center), with mount hood (in the distance, far left), spirit lake (on left with floating log mat), and st. Volcanoes and usgs volcano science:
History, killing 57 people and spewing 520 million tons of ash across the u.s. Over 95% of the earthquakes were less than a magnitude 1.0 and too small to be felt at the surface.