Mount Saint Helens Has a 'Small Explosive Event'

Tuesday afternoon March 8th, Mount Saint Helens had a small event at 5:25 p.m. PST. "Airplane pilot reports indicate that the resulting steam-and-ash plume reached an altitude of about 36,000 feet above sea level within a few minutes and drifted downwind to the northeast." (from the USGS Cascades Volcano Observatory, with terrific photographs). The Volcano Cam page has many links leading to updates and information, including the latest Mount Saint Helens Information Statement.