Volcanoes in United States
Volcanoes of United States
United States holds 94 catalogued volcanoes. Below, the ones whose heat was measured from space in the last twenty-four hours, then the full list.
Radiating right now
No collection cycle has completed yet on this server. This is not a statement that nothing is radiating — it means nothing has been looked at yet.
Every catalogued volcano
- AkutanStratovolcano, last eruption 1992 CE
- Alligator LakeVolcanic field, last eruption Unknown
- AmakStratovolcano, last eruption 1796 CE
- AmuktaStratovolcano, last eruption 1996 CE
- AniakchakCaldera, last eruption 1931 CE
- Atka Volcanic ComplexStratovolcano(es), last eruption 2025 CE
- Atlin Volcanic FieldPyroclastic cone(s), last eruption Unknown
- AugustineLava dome(s), last eruption 2006 CE
- Behm Canal-Rudyerd BayVolcanic field, last eruption Unknown
- Black PeakStratovolcano, last eruption 1900 BCE
- BobrofStratovolcano, last eruption Unknown
- BogoslofStratovolcano, last eruption 2017 CE
- Buzzard CreekTuff ring(s), last eruption 1050 BCE
- CarlisleStratovolcano, last eruption 1828 CE
- ChagulakStratovolcano, last eruption Unknown
- ChiginagakStratovolcano, last eruption 1998 CE
- ChurchillStratovolcano, last eruption 847 CE
- ClevelandStratovolcano, last eruption 2020 CE
- Crow LagoonPyroclastic cone, last eruption Unknown
- DanaStratovolcano, last eruption 1890 BCE
- DenisonStratovolcano, last eruption Unknown
- DouglasStratovolcano, last eruption Unknown
- Duncan CanalVolcanic field, last eruption Unknown
- DuttonStratovolcano, last eruption Unknown
- EdgecumbeVolcanic field, last eruption 2080 BCE
- EdzizaStratovolcano, last eruption 950 CE
- Emmons Lake Volcanic CenterCaldera, last eruption Unknown
- FisherStratovolcano, last eruption 1830 CE
- Fort SelkirkVolcanic field, last eruption Unknown
- FourpeakedStratovolcano, last eruption 2006 CE
- FrostyStratovolcano(es), last eruption Unknown
- GareloiStratovolcano, last eruption 1989 CE
- Great SitkinStratovolcano, last eruption 2025 CE
- GriggsStratovolcano, last eruption 1790 BCE
- HaleakalaShield, last eruption 1750 CE
- HayesStratovolcano, last eruption 1200 CE
- Heart PeaksShield, last eruption Unknown
- HerbertStratovolcano, last eruption Unknown
- Hoodoo MountainPyroclastic cone(s), last eruption 7050 BCE
- HualalaiShield, last eruption 1801 CE
- IliamnaStratovolcano, last eruption 1876 CE
- Imuruk LakeVolcanic field, last eruption 300 CE
- Ingakslugwat HillsVolcanic field, last eruption Unknown
- Iskut-Unuk River ConesPyroclastic cone(s), last eruption 1800 CE
- KagamilStratovolcano, last eruption 1929 CE
- KaguyakLava dome(s), last eruption 3850 BCE
- Kama'ehuakanaloaShield, last eruption 1996 CE
- KanagaStratovolcano, last eruption 2023 CE
- KasatochiStratovolcano, last eruption 2008 CE
- KatmaiStratovolcano, last eruption 1912 CE
- KialagvikStratovolcano, last eruption Unknown
- KilaueaShield, last eruption 2025 CE
- KoniujiStratovolcano, last eruption 1150 BCE
- KukakStratovolcano, last eruption Unknown
- KupreanofStratovolcano, last eruption Unknown
- Level MountainShield, last eruption Unknown
- MageikStratovolcano, last eruption 500 BCE
- MakushinStratovolcano, last eruption 1995 CE
- MartinStratovolcano, last eruption 1953 CE
- Mauna KeaShield, last eruption 2460 BCE
- Mauna LoaShield, last eruption 2022 CE
- MoffettStratovolcano, last eruption 1600 BCE
- NovaruptaCaldera, last eruption 1912 CE
- OkmokShield, last eruption 2008 CE
- PavlofStratovolcano, last eruption 2022 CE
- Pavlof SisterStratovolcano, last eruption Unknown
- RecheschnoiStratovolcano, last eruption Unknown
- RedoubtStratovolcano, last eruption 2009 CE
- RoundtopStratovolcano, last eruption 7600 BCE
- SeguamStratovolcano(es), last eruption 1993 CE
- ShishaldinStratovolcano, last eruption 2023 CE
- Snowy MountainStratovolcano(es), last eruption 1710 CE
- Spectrum RangeShield, last eruption Unknown
- SpurrStratovolcano, last eruption 1992 CE
- St. MichaelVolcanic field, last eruption Unknown
- St. Paul IslandShield, last eruption 1280 BCE
- StellerStratovolcano, last eruption Unknown
- Stepovak Bay GroupVolcanic field, last eruption Unknown
- TakawanghaStratovolcano, last eruption 1550 CE
- TanaStratovolcano(es), last eruption Unknown
- TanagaStratovolcano(es), last eruption 1914 CE
- Tlevak Strait-Suemez IslandVolcanic field, last eruption Unknown
- TridentStratovolcano, last eruption 1974 CE
- Tuya Volcanic FieldVolcanic field, last eruption Unknown
- Ugashik-PeulikStratovolcano, last eruption 1814 CE
- Ukinrek MaarsMaar(s), last eruption 1977 CE
- UliagaStratovolcano, last eruption Unknown
- UnnamedLava dome, last eruption Unknown
- VeniaminofStratovolcano, last eruption 2021 CE
- VsevidofStratovolcano, last eruption 1878 CE
- WestdahlStratovolcano?, last eruption 1992 CE
- WrangellShield, last eruption 1912 CE
- YantarniStratovolcano, last eruption 800 BCE
- YunaskaShield, last eruption 1937 CE
Questions readers ask
- Which volcanoes are erupting right now?
- The list above is what satellites measured in the last twenty-four hours. It is not the list of erupting volcanoes: an eruption under cloud, or one too cool to detect, will be missing, and a lava field cooling after an eruption can still appear.
- How many active volcanoes are there in the world?
- The Smithsonian Institution catalogues about 1,300 volcanoes with an eruption during the Holocene, roughly the last 10,000 years. Far fewer are erupting at any given moment — typically a few dozen.
- How can a satellite tell a volcano is active?
- It measures infrared radiation. Lava, hot gas and fresh deposits emit far more than the surrounding ground, so a thermal sensor detects them from orbit — day or night, but not through thick cloud.
- Does an absent volcano mean it has stopped?
- No. It means no satellite measured heat there during the window. Cloud, the timing of the overpass, or an eruption confined below the surface all produce the same silence.
What this measurement is, and is not
- Radiative power is the infrared a sensor received at the instant it passed overhead. It is not a measure of emissions, of pollution, or of any contribution to climate change — a solar farm can top the list on reflected sunlight alone.
- A source absent from this page is not a source at rest: a polar satellite passes twice a day, clouds hide the ground, and a site that was hot between two overpasses was never seen.
- The site catalog is a snapshot, rebuilt by hand. A plant that opened after the last build is missing from it, and a plant that closed is still in it.
Where the data comes from
The detections are NASA FIRMS (LANCE / EOSDIS). The sites are not NASA's data and are not ours: they come from the Smithsonian Institution for volcanoes, the World Bank with NOAA and the Colorado School of Mines for flares, the World Resources Institute for power plants, the Spatial Finance Initiative for cement, steel and petrochemicals, Global Energy Monitor for steel, and the U.S. Geological Survey for mineral sites.