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Image: Katmai National Park and Preserve, Alaska
August 13, 1912

Katmai National Park and Preserve, Alaska

Volcanic ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Church in the distant background. August 13, 1912.

Glacier Peak, Washington simplified hazards map
December 31, 1905

Glacier Peak, WA simplified hazards map

Glacier Peak, Washington simplified hazards map showing potential impact area for ground-based hazards during a volcanic event.

Three Sisters, Oregon simplified hazards map showing potential impa...
December 31, 1905

Three Sisters, OR simplified hazards map

Three Sisters, Oregon simplified hazards map showing potential impact area for ground-based hazards during a volcanic event.

Mount Konocti viewed from Cinder Cone, Clear Lake Volcanic Field.
December 31, 1905

Mount Konocti viewed from Cinder Cone, Clear Lake Volcanic Field.

Mount Konocti, the most distinct volcanic feature of the Clear Lake Volcanics as viewed to the west from Cinder Cone.

Painting by Henry Wood Elliott (1846-1930), Yellowstone Lake, 1871, watercolor.
December 31, 1871

Painting by Henry Wood Elliott (1846-1930), Yellowstone Lake, 1871

Painting by Henry Wood Elliott (1846-1930), Yellowstone Lake, 1871, watercolor (Phoenix Art Museum).  The view is from northern Yellowstone Lake looking to the south.  In the foreground, one can see the Annie in the northern lake and the three largest of the lake’s islands: Stevenson Island, with Frank Island and the smaller Dot Island behind.  Flat

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Henry Elliott’s 1871 map of Yellowstone Lake
December 31, 1871

Henry Elliott’s 1871 map of Yellowstone Lake

Henry Elliott’s 1871 map of Yellowstone Lake (https://hdylake.org/about/history-of-mapping-yellowstone-lake/). The headwaters of the Snake River, Upper Valley of the Yellowstone River, and Pelican River are shown. The area now known as West Thumb is referred to as the South West Arm on the map.

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Henry Wood Elliott during a geological expedition in 1870
December 31, 1870

Henry Wood Elliott during a geological expedition in 1870

Henry Wood Elliott during a geological expedition in 1870.  Photo by William Henry Jackson.

Mount Adams, aerial view from the south. The A.G. Aiken Lava Bed la...

Mount Adams, aerial view from the south. The A.G. Aiken Lava Bed la...

Mount Adams, aerial view from the south. The A.G. Aiken Lava Bed lava flow is seen in the lower center of the photo, which erupted since the last glaciation.

Mount Bachelor seen from South Sister across Sparks Lake. One of th...

Mount Bachelor seen from South Sister across Sparks Lake. One of th...

Mount Bachelor seen from South Sister across Sparks Lake. One of the "Devils Chain" domes visible in lower image foreground. Oregon

Color graphic showing Kīlauea historical lava flows, lava flow hazard zones, and county districts
June 5, 2020

Simplified table of Kīlauea historical activity

Simplified table of Kīlauea historical activity modified from Macdonald and others (1983).
Updated by James P. Kauahikaua and Katherine M. Mulliken, USGS Hawaiian Volcano Observatory, https://volcanoes.usgs.gov/hvo/, askHVO@usgs.gov.
Note that this table is a “living” document and

Clear day view of Redoubt DFR

Redoubt - DFR

Camera is co-located with seismic station DFR, approximately 7.6 miles (12.2 km) NE of Redoubt. Read more details about Redoubt volcano.