Volcanoes

Craters of the Moon National Monument and Preserve

Arco, Butte County, Idaho
The protected area's features are volcanic and represent one of the best preserved flood basalt areas in the continental United States. It is composed of encompass three major lava fields and about 400 square miles (1,036 km2) of sagebrush steppe grasslan

Dotsero Crater

Dotsero, Eagle County, Colorado, 81637
Dotsero is a 700 meter wide by 400 meter deep maar volcano (broad, low relief crater). Erupting approximately 4200 years ago, it is the youngest volcano in Colorado. It is currently dormant.

Hawaiʻi Volcanoes National Park

Hawaii County, Hawaii, 96718
Hawai'i Volcanoes National Park, established in 1916, is a United States National Park on the island of Hawaii. It encompasses two active volcanoes: Kīlauea, one of the world's most active volcanoes, and Mauna Loa, the world's most massive subaerial

Kilauea

Hawaii
Kīlauea is a currently active shield volcano in the Hawaiian Islands, and the most active of the five volcanoes that together form the island of Hawaii.

Mount Adagdak

Alaska
Only about 2000 feet (600 m) above sea level, Mount Adagdak consists of a small stratovolcano capping an older shield volcano. The date of its last known eruption is unknown, but a basaltic lava dome was constructed on the southeast side.

Mount St. Helens

Skamania County, Washington
In 1982, the 110,000-acre Mount St. Helens National Volcanic Monument was created for research, recreation, and education. Inside the Monument, the environment is left to respond naturally in recovering from the 1980 eruption and any future disturbance.

S P Crater

Coconino County, Arizona
SP Crater is a cinder cone volcano. The base of the cone is 3,900 feet (1,200 m) across and 820 feet (250 m) tall. It has a lava flow that extends for four miles to the north.

Sunset Crater

Coconino County, Arizona
Sunset Crater was named for its brilliantly colored scoria deposits mantling the cone. Having erupted sometime between 1080 and 1150 AD, it is the youngest of the more than 550 vents of the vast San Francisco volcanic field.