Inverted funnel connected to thermoplastic tubing used to collect gas from a hot spring pool near Lassen Peak, California.
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Images related to Lassen Volcanic Center.
Collecting gases from a hot spring pool near Lassen Peak, California
Inverted funnel connected to thermoplastic tubing used to collect gas from a hot spring pool near Lassen Peak, California.
Geologic field-trip guide to Lassen Volcanic National Park
Geologic field-trip guide to Lassen Volcanic National Park and vicinity, California
Geologic field-trip guide to Lassen Volcanic National Park and vicinity, California
Lassen Volcanic Center, CA simplified hazards map
Lassen Volcanic Center, California simplified hazards map showing potential impact area for ground-based hazards during a volcanic event.
Lassen Volcanic Center, California simplified hazards map showing potential impact area for ground-based hazards during a volcanic event.
Titanium tubed used to collect gas from a fumarole near Lassen, CA
Titanium tubed used to collect gas from a fumarole near Lassen Peak, California.
Titanium tubed used to collect gas from a fumarole near Lassen Peak, California.
Map showing one-year probability of accumulation of 1 centimeter
Map showing one-year probability of accumulation of 1 centimeter (0.4 inch) or more of tephra from eruptions of volcanoes in the Cascade Range.
Map showing one-year probability of accumulation of 1 centimeter (0.4 inch) or more of tephra from eruptions of volcanoes in the Cascade Range.
Volcano hazard zone map for Lassen Volcanic Region in Northern CA p...
Volcanic Hazard Assessment for the Lassen Region, California is based upon a comprehensive investigation of the eruptive history and possible future eruption scenarios with associated volcanic hazards.
Volcanic Hazard Assessment for the Lassen Region, California is based upon a comprehensive investigation of the eruptive history and possible future eruption scenarios with associated volcanic hazards.
Lassen Peak viewed from the south at the summit of Brokeoff Volcano...
Lassen Peak viewed from the south at the summit of Brokeoff Volcano, Lassen Volcanic National Park.
Lassen Peak viewed from the south at the summit of Brokeoff Volcano, Lassen Volcanic National Park.
Chaos Crags in Lassen Volcanic National Park
Chaos Jumbles (foreground) is a rockfall avalanche that formed around 340 years ago when one of the Chaos Crags domes (background) collapsed.
Chaos Jumbles (foreground) is a rockfall avalanche that formed around 340 years ago when one of the Chaos Crags domes (background) collapsed.
View of Chaos Crags in Lassen Volcanic National Park from Lassen Peak.
Chaos Crags is a series of lava domes that erupted about 1,100 years ago from the Lassen Volcanic Center.
Chaos Crags is a series of lava domes that erupted about 1,100 years ago from the Lassen Volcanic Center.
Cinder Cone in Lassen Volcanic National Park
Cinder Cone erupted in the year 1666 in the Lassen Volcanic Region of northern California.
Cinder Cone erupted in the year 1666 in the Lassen Volcanic Region of northern California.
Eruptions in the Cascade Range during the past 4000 years. USGS GIP 64
Eruptions in the Cascade Range during the past 4000 years. USGS GIP 64
Eruptions in the Cascade Range during the past 4000 years. USGS GIP 64
Gas bubbles through a sample bottle containing alkaline solution
Gas bubbles through a sample bottle containing alkaline solution, allowing for separation of different gas phases.
Gas bubbles through a sample bottle containing alkaline solution, allowing for separation of different gas phases.
Lassen Peak's Devastated Area photographed from the air in 1994.
Lassen Peak's Devastated Area photographed from the air in 1994.
Lassen Peak's Devastated Area photographed from the air in 1994.
Lassen Volcano Observatory, 1926
The original Lassen Volcano Observatory building, provided by the US Forest Service, about 1926. The observatory consisted of a small office over a 10x10 ft concrete cellar which housed two custom-built seismographs. A small cottage nearby housed Ruy H. Finch, the head of and sole scientist at the Observatory for much of its existence. (Photo by R.H.
The original Lassen Volcano Observatory building, provided by the US Forest Service, about 1926. The observatory consisted of a small office over a 10x10 ft concrete cellar which housed two custom-built seismographs. A small cottage nearby housed Ruy H. Finch, the head of and sole scientist at the Observatory for much of its existence. (Photo by R.H.
Ruy H. Finch (1890-1957)
The founder of the Lassen Volcano Observatory (1926-1935) and second Director of the Hawaiian Volcano Observatory (1940-1951), Ruy Herbert Finch conducted research in both Hawaii and throughout the Western United States.
The founder of the Lassen Volcano Observatory (1926-1935) and second Director of the Hawaiian Volcano Observatory (1940-1951), Ruy Herbert Finch conducted research in both Hawaii and throughout the Western United States.
Lassen Peak photographed from the Devastated Area about 4 hours bef...
Lassen Peak photographed from the Devastated Area about 4 hours before the explosive eruption of May 22, 1915.
Lassen Peak photographed from the Devastated Area about 4 hours before the explosive eruption of May 22, 1915.
Lassen Peak photographed from the Devastated Area prior to 1914-191...
Lassen Peak photographed from the Devastated Area prior to the 1914-1915 eruption that changed the landscape.
Lassen Peak photographed from the Devastated Area prior to the 1914-1915 eruption that changed the landscape.