Current and Previous 10 versions of Mount St. Helens, Washington
Just north of Coldwater Ridge Visitor Center, Mt St Helens National Volcanic Monument, WA (SEAOSOMSH)
All times are PST. Note that computer
outages will occasionally result in data which is not available. Please
use care and common sense in applying data. Although NWAC staff and cooperators
attempt to make the data as reliable as possible, data outages can and
do occur. Whenever possible ,known sensor problems are noted on the parameter
line near the top of each data set.