strombolian Click the image to see the original photo at maximum resolution (potentially large files). Click the title to see a full description, geolocation, and more. Photos 1 - 4 of 4 azgs_photo Colton Crater, San Francisco Volcanic Field azgs_photo Strawberry Crater Cinder Cone, San Francisco volcanic field azgs_photo Red Mountain, San Francisco volcanic field in summer 2018 azgs_photo Central Hopi Buttes volcanic field, northern Arizona
