Keywords: usgs science volcano volcanoes alaska landscape landscape photography landscapephotography scenic outdoor Augustine Volcano — A very calm and quite view of Augustine Volcano on Augustine Island in the lower Cook Inlet of Alaska. The volcano consists of a central dome and lava flow complex, surrounded by pyroclastic debris. The irregular coastline of Augustine Island is due to the repeated catastrophic collapse of the summit dome, forming debris avalanches down the flanks and into Cook Inlet. At least 11 avalanches have occurred in the past 2000 years with an average recurrence interval of about 150-200 years. This was taken just on June 14, 2015. Learn more about Augustine Volcano at on.doi.gov/Augustine. Photo credit: Peter Kelly, AVO/USGS Augustine Volcano — A very calm and quite view of Augustine Volcano on Augustine Island in the lower Cook Inlet of Alaska. The volcano consists of a central dome and lava flow complex, surrounded by pyroclastic debris. The irregular coastline of Augustine Island is due to the repeated catastrophic collapse of the summit dome, forming debris avalanches down the flanks and into Cook Inlet. At least 11 avalanches have occurred in the past 2000 years with an average recurrence interval of about 150-200 years. This was taken just on June 14, 2015. Learn more about Augustine Volcano at on.doi.gov/Augustine. Photo credit: Peter Kelly, AVO/USGS |