The images and graphics in the How Volcanoes Work website are from a variety of sources. Most of these are displayed as small images that are linked to larger images with expanded descriptions. Credit for each is acknowledged in the larger images.
Images credited to the following government organizations are in the public domain, and can be downloaded and used. It would be appropriate, however, to properly acknowledge the individuals and government agencies for each downloaded image.
The remainder of the images and graphics in the How Volcanoes Work website are not in the public domain. These may not be downloaded and used, unless permission is granted from the individuals acknowledged in the expanded caption for each image.