Volcanoes by country
United StatesMap, activity and eruption history
The Holocene catalogue of the Smithsonian Global Volcanism Program lists 165 volcanoes in United States. This page brings together the map, report status, eruption history and the surroundings of every single volcano. 2 of them currently have an eruption report or an elevated alert level.
Earthquakes · United StatesMap
Every volcano in the country with plate boundaries, air traffic within 50 km, airports and nuclear power plants. Earthquakes can be added on top.
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Sorted by report status and elevation. Every entry opens the full volcano profile.
Published: Nov 9, 2026, 9:09 PM UTC · USGS
Published: Nov 13, 2026, 1:04 AM UTC · USGS
Published: Nov 12, 2026, 6:32 PM UTC · USGS
“Last eruption” is a catalogue record, not evidence of activity in progress.
Eruptions with fatalities, damage or high explosivity from the NOAA NCEI database of significant volcanic eruptions.
The Volcanic Explosivity Index (VEI) runs from 0 (effusive) to 8 (super-eruptive). Each step stands for roughly ten times the erupted mass.
Documented eruptions since 1500. Earlier centuries are recorded less completely, so a rise also reflects better observation.
680 events in the last 30 days within 50 km of a volcano in United States.
Spatial proximity does not establish a volcanic origin. Many events in volcanic regions are tectonic.
What the volcanic landscape of United States is made of and which tectonic setting it sits in.
Airports with scheduled service and nuclear power plant sites near a volcano in United States.
This selection shows geographic proximity, not a hazard zone or confirmed impacts.
Short descriptions of the country's best-known volcanoes.
Ahyi Seamount is an active shallow submarine volcano in the Northern Mariana Islands, in the Northwestern Pacific Ocean. It has erupted 5 times since the year 2000: in 2001, 2014, 2022–23, and twice in 2024. Since 2009, it has been a part of Marianas Trench Marine National Monument of the United States.
Kīlauea Iki is a volcanic crater next to the main summit caldera of Kīlauea on the island of Hawaiʻi in the Hawaiian Islands. Shaped like a pit, the crater existed prior to its most recent eruption, which occurred from 14 November to 19 December 1959. This eruption was notable for several unique phenomena, including the formation of a large lava lake, lava rapids, waves, a lava whirlpool, and a lava fountain whose height set a record in Hawaii. Observers also recorded a two-way circulation of lava between the magma chamber and the surface. Today, Kīlauea Iki is a popular hiking destination within Hawaii Volcanoes National Park.
Mount Churchill is a dormant volcano in the Saint Elias Mountains and the Wrangell Volcanic Field (WVF) of eastern Alaska. Churchill and its neighbor Mount Bona are both ice-covered volcanoes with Churchill having a 2.7-by-4.2-kilometre-wide caldera just east of its summit. There are sparse outcrops of lava flows and tephra, mostly dacite.
Mount Rainier, also known as Tahoma, is a large, active stratovolcano in the Cascade Range of the Pacific Northwest in the United States. The mountain is located in Mount Rainier National Park about 59 miles (95 km) south-southeast of Seattle. At 14,406 ft (4,391 m) it is the highest mountain in the U.S. state of Washington, the most topographically prominent mountain in the contiguous United States, and the tallest in the Cascade Volcanic Arc.
Mount Shasta is a potentially active stratovolcano at the southern end of the Cascade Range in Siskiyou County, California. At an elevation of 14,179 ft (4,322 m), it is the second-highest peak in the Cascades and the fifth-highest in the state. Mount Shasta has an estimated volume of 85 cubic miles, which makes it the most voluminous stratovolcano in the Cascade Volcanic Arc. The mountain and surrounding area are part of the Shasta–Trinity National Forest.
Mount Wrangell, is a massive shield volcano located in Wrangell-St. Elias National Park and Preserve in southeastern Alaska, United States. The shield rises over 12,000 feet (3,700 m) above the Copper River to its southwest. Its volume is over 220 cubic miles (920 km3), making it more than twice as massive as Mount Shasta in California, the largest stratovolcano by volume in the Cascades. It is part of the Wrangell Mountains as well as the Wrangell Volcanic Field, which extends for more than 250 kilometers (160 mi) across Southcentral Alaska into the Yukon Territory in Canada, and has an eruptive history spanning the time from Pleistocene to Holocene.
Short descriptions: Wikipedia, CC BY-SA 4.0
Countries with at least 5 volcanoes in the catalogue.
Everything shown comes from the public sources listed below and is updated automatically.
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