If you remember the big eruption of Mount St. Helens, this foto may look familiar to you.

This is a NASA pic of Chaitén Volcano in Chile, erupting on the green side of that country, its ash-filled plume blown to the much-drier countryside to the west. Click here to check out more NASA fotos of the volcano.

And here’s a link to a U.S. Geological Survey Web site with a wealth of information, links and photos on Mount St. Helens, which has been quiet lately.

And here’s a column by Tracy Warner, editorial page editor of The Wenatchee World, looking back on the 1980 Mount St. Helens eruption 20 years later.