Breaking and tumbling crust on slabby flow front.
Videos
Volcano Hazard Program videos.
Breaking and tumbling crust on slabby flow front.
More disruption of slabby flow front.
More disruption of slabby flow front.
Lava pours down pre1995 sea cliff. See stills above for more information. Note large file size. Warning: turn down your sound; lots of wind noise.
Lava pours down pre1995 sea cliff. See stills above for more information. Note large file size. Warning: turn down your sound; lots of wind noise.
PubTalk 12/2002 — Hawai`i's Volcanoes—Never a Dull Moment
PubTalk 12/2002 — Hawai`i's Volcanoes—Never a Dull Moment20 Years of Eruption at Kilauea and Waiting for Mauna Loa
by Don Swanson,Volcanologist, Hawaiian Volcano Observatory
PubTalk 12/2002 — Hawai`i's Volcanoes—Never a Dull Moment
PubTalk 12/2002 — Hawai`i's Volcanoes—Never a Dull Moment20 Years of Eruption at Kilauea and Waiting for Mauna Loa
by Don Swanson,Volcanologist, Hawaiian Volcano Observatory
Lava falling over sea cliff into water at western group of entries.
Lava falling over sea cliff into water at western group of entries.
Close-up of lava falls and steam cloud generated by lava entering water.
Close-up of lava falls and steam cloud generated by lava entering water.
Telephoto of lava dropping into the sea.
Telephoto of lava dropping into the sea.
Lava falls into sea from western two entries at Highcastle
Lava falls into sea from western two entries at HighcastleLava falls into sea from western two entries at Highcastle. Entry started within past several hours. Listen to the "plop, plop" sounds as lava drips hit water.
Lava falls into sea from western two entries at Highcastle
Lava falls into sea from western two entries at HighcastleLava falls into sea from western two entries at Highcastle. Entry started within past several hours. Listen to the "plop, plop" sounds as lava drips hit water.
Lava spills over Wilipe`a sea cliff and across boulders into the sea.
Lava spills over Wilipe`a sea cliff and across boulders into the sea.
Close view of lava spilling over the lip of Wilipe`a sea cliff.
Close view of lava spilling over the lip of Wilipe`a sea cliff.
Close view of wave crashing over lava in the surf zone.
Close view of wave crashing over lava in the surf zone.
Lava cascades down sea cliff on July 19, 2002, 3.5 hours after Mother's Day flow reached to the sea.
Lava cascades down sea cliff on July 19, 2002, 3.5 hours after Mother's Day flow reached to the sea.
A`a lava flow on 23 February
A`a lava flow on 23 February
May 18, 1980 Mount St. Helens Eruption: Stories from USGS Scientists
May 18, 1980 Mount St. Helens Eruption: Stories from USGS ScientistsUSGS scientists C. Dan Miller, Don Mullineaux, Mike Doukas, Norm Banks, Don Swanson, and Richard Waitt talk about their experiences at Mount St.
May 18, 1980 Mount St. Helens Eruption: Stories from USGS Scientists
May 18, 1980 Mount St. Helens Eruption: Stories from USGS ScientistsUSGS scientists C. Dan Miller, Don Mullineaux, Mike Doukas, Norm Banks, Don Swanson, and Richard Waitt talk about their experiences at Mount St.
A USGS scientist walks along a lava flow from the April 2, 1984 Mauna Loa eruption. The scientist stops to observe a standing wave of lava at the end. The lava flow is moving at 64 km/hr (40 mph) towards Hilo, Hawai'i.
A USGS scientist walks along a lava flow from the April 2, 1984 Mauna Loa eruption. The scientist stops to observe a standing wave of lava at the end. The lava flow is moving at 64 km/hr (40 mph) towards Hilo, Hawai'i.
Mount St. Helens erupted catastrophically on May 18, 1980 beginning at 8:32 a.m. USGS geologist Don Swanson photographed and filmed the eruption from about 9:30 a.m. to 12:30 p.m., documenting the rising ash column and ground-hugging pyroclastic density currents.
Mount St. Helens erupted catastrophically on May 18, 1980 beginning at 8:32 a.m. USGS geologist Don Swanson photographed and filmed the eruption from about 9:30 a.m. to 12:30 p.m., documenting the rising ash column and ground-hugging pyroclastic density currents.
video thumbnail: Mount St. Helens 1980 Ash Cloud as Seen From Space
Mount St. Helens 1980 Ash Cloud as Seen From Space
Mount St. Helens 1980 Ash Cloud as Seen From SpaceEruptive activity at Mount St. Helens captured the world’s attention on May 18, 1980 when the largest historical landslide on Earth and a powerful explosion reshaped the volcano. A volcanic ash cloud spread across the US in 3 days, and encircled the Earth in 15 days.
Mount St. Helens 1980 Ash Cloud as Seen From Space
Mount St. Helens 1980 Ash Cloud as Seen From SpaceEruptive activity at Mount St. Helens captured the world’s attention on May 18, 1980 when the largest historical landslide on Earth and a powerful explosion reshaped the volcano. A volcanic ash cloud spread across the US in 3 days, and encircled the Earth in 15 days.
video thumbnail: Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 2 of 5)
Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 2 of 5)
Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 2 of 5)Part 2 of 5
video thumbnail: Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 5 of 5)
Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 5 of 5)
Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 5 of 5)Part 5 of 5
video thumbnail: Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 1 of 5)
Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 1 of 5)
Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 1 of 5)Part 1 of 5
video thumbnail: Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 3 of 5)
Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 3 of 5)
Mauna Loa Volcano Hawaii -- 1930s Eruption (Part 3 of 5)Part 3 of 5