U.S. Volcanoes and Current Activity Alerts

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  • Lava cascades into east crater of KILAUEA Iki, KILAUEA Volcano, HAWAII
    Lava cascades into east crater of KILAUEA Iki, KILAUEA Volcano, HAWAII
    Lava cascades into east crater of KILAUEA Iki, KILAUEA Volcano, HAWAII
  • House ignited by lava flow in Kalapana Gardens subdivision, KILAUEA Volcano, HAWAII
    House ignited by lava flow in Kalapana Gardens subdivision, KILAUEA Volcano, HAWAII
    House ignited by lava flow in Kalapana Gardens subdivision, KILAUEA Volcano, HAWAII
  • Ash-rich plume rising from HALEMAUMAU Crater, KILAUEA Volcano, HAWAII
    Ash-rich plume rising from HALEMAUMAU Crater, KILAUEA Volcano, HAWAII
    Ash-rich plume rising from HALEMAUMAU Crater, KILAUEA Volcano, HAWAII
  • Ash cloud rising from PUUOO as crater floor collapses
    Ash cloud rising from PUUOO as crater floor collapses
    Ash cloud rising from PUUOO as crater floor collapses
  • Close-up of spattering fissure. Lava reaching 10 m into the air.
    Close-up of spattering fissure. Lava reaching 10 m into the air.
    Close-up of spattering fissure. Lava reaching 10 m into the air.
  • A broad view of the Kamoamoa fissures between NAPAU Crater and PUUOO
    A broad view of the Kamoamoa fissures between NAPAU Crater and PUUOO
    A broad view of the Kamoamoa fissures between NAPAU Crater and PUUOO
  • Lava continues to be active in Halema`uma`u
    Lava continues to be active in Halema`uma`u
    Lava continues to be active in Halema`uma`u
  • Spectacular views of Mauna Loa's Southwest and Northeast Rift Zones
    Spectacular views of Mauna Loa's Southwest and Northeast Rift Zones
    Spectacular views of Mauna Loa's Southwest and Northeast Rift Zones
  • A breach in the south wall of the perched pond allowed lava to gush out onto the floor of PUUOO Crater.
    A breach in the south wall of the perched pond allowed lava to gush out onto the floor of PUUOO Crater.
    A breach in the south wall of the perched pond allowed lava to gush out onto the floor of PUUOO Crater.
  • Incandescent lines mark the boundaries between migrating crustal plates on the surface of the lava lake in HALEMAUMAU crater. Here, and at other lava lakes across the world, these rifting zones have a characteristic zigzag pattern.
    Incandescent lines mark the boundaries between migrating crustal plates on the surface of the lava lake in HALEMAUMAU crater. Here, and at other lava lakes across the world, these rifting zones have a characteristic zigzag pattern.
    Incandescent lines mark the boundaries between migrating crustal plates on the surface of the lava lake in HALEMAUMAU crater. Here, and at other lava lakes across the world, these rifting zones have
  • A close-up of spiny-textured pAHOEHOE lava oozing out from a small crack in the crust.
    A close-up of spiny-textured pAHOEHOE lava oozing out from a small crack in the crust.
    A close-up of spiny-textured pAHOEHOE lava oozing out from a small crack in the crust.
  • Another entry point has two larger lava streams entering the water. The lava fragments due to cooling and disruption by the battering surf, and some of these pieces float on the water's surface in front of the entry point (see lower left portion of photo).
    Another entry point has two larger lava streams entering the water. The lava fragments due to cooling and disruption by the battering surf, and some of these pieces float on the water's surface in front of the entry point (see lower left portion of photo).
    Another entry point has two larger lava streams entering the water. The lava fragments due to cooling and disruption by the battering surf, and some of these pieces float on the water's surface in fr


Prepare

National Volcano Early Warning System.
NVEWS
The National Volcano Early Warning System plans to closely monitor threatening volcanoes.


Earthquakes leading up to the January 11, 2006 eruption of Augustine volcano, AK.
Monitoring
Current monitoring data from USGS volcano observatories.


Cars covered in volcanic ash, Mount Pinatubo eruption, Philippines.
Volcanic Ash
Ash hazards information and guidance for homes, businesses, and communities.

Look

Lava flows within Pu‘u ‘Ō‘ō crater, Kilauea volcano, HI.
Webcams
Frequently updated real-time images of several U.S. volcanoes.


Jake Lowenstern giving lessons about Yellowstone volcano.
Podcasts and Videos
Yellowstone volcano podcasts and videos.


Bishop Tuff outcrop from Long Valley, CA.
Images from Observatories
Archived photographs and images of U.S. volcanoes.

Learn

Mount Rainier as a backdrop behind the city of Tacoma, WA.
U.S. Volcano List
Information, photos and status updates for volcanoes of concern in the U.S.


Arched lava fountain from Kilauea volcano, HI.
Photoglossary
Pictures and definitions of volcanic terms.


Alaska Volcanoes Guidebook for Teachers.
Volcano Education Resources
Grades 6-12 lessons and activities for teachers.