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Explore Search: Clear Lake Volcanic Field

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Thurston Lake and Mount Konocti, Clear Lake Volcanic Field
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Clear Lake Volcanic Field

Clear Lake Volcanic Field

Clear Lake Volcanic Field is located about 90 miles north of San Francisco, California.

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Thurston Lake and Mount Konocti, Clear Lake Volcanic Field
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Clear Lake Volcanic Field

Clear Lake Volcanic Field

Clear Lake Volcanic Field is located about 90 miles north of San Francisco, California.

Filter Total Items: 93
Photography
A geologist in tan pants, a blue button-down shirt and an orange hat stands with one foot on a boulder at the side of a road, holding up a baggie of rocks. Behind him the ground has been scraped bare by construction equipment.

Basalt, Clear Lake Volcanic Field

Photography
Several meter-size, rough-textured tan boulders sit among tall weeds and grass. In the distance, a steep slope sparsely covered with sagebrush makes up the horizon.

Dacite, Clear Lake Volcanic Field

Photography
An expansive view from the top of a tall hill shows a large lake bordered by a large forested mountain with several peaks.

Mount Konocti, Clear Lake Volcanic Field

Photography
A geologist in an orange hat and safety vest swings a sledgehammer at a rock on the ground. Behind him is a huge boulder.

Andesite on Highway 175, Clear Lake Volcanic Field, California

Photography
A male geologist in an orange hat stands on next to a cliff of white, powdery rock on the side of a road.

Rhyolite outcrop, Bottle Rock Road, Clear Lake Volcanic Field

Photography
In the middle ground, a conical hill has been mined, revealing an orange interior. The flanks are lined with trees and brush.

Eruption Episode 4 rocks, Clear Lake Volcanic Field, California

Photography
A female geologist in a bright fuschia shirt stands on a brushy slope in front of several conical hills

Eruption Episode 1 rocks, Clear Lake Volcanic Field, California

Photography
A vertical outcrop of light gray rock has stripes of clean rock and dark green lichen

Kelsey Creek rhyodacite lava, Clear Lake Volcanic Field, California

Photography
A male geologist in an orange ballcap and blue button-down shirt holds a rock hammer in one hand and a rock in the other.

Eruption Episode 3 rocks, Clear Lake Volcanic Field, California

Photography
A geologist stands several dozen yards from the photographer on a rock mound in the middle of a grassy, waterless lakebed.

Eruption Episode 2 rocks, Clear Lake Volcanic Field, California

Photography
A five-foot tall vertical outcrop of granular gray rock shows distinct, half-foot thick layers

Maar eruption deposit, Clear Lake Volcanic Field, California

Photography
This photo looks across an active rock quarry at a conical hill that has been mined, revealing a dark red interior

Clearlake Oaks cinder cone, Clear Lake Volcanic Field, California

Photography
Thurston Lake and Mount Konocti, Clear Lake Volcanic Field

Thurston Lake and Mount Konocti, Clear Lake Volcanic Field

Photography
image related to volcanoes. See description

Members of the Clear Lake Volcanic Field research team

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Carbon dioxide flux measurements at and adjacent to the Sulphur Bank Mercury Mine, Clear Lake Volcanic Field, California

Research
The timeline and locations for the four periods of volcanism in the...

Eruptive history of Clear Lake Volcanic Field

Photography
Clear Lake Volcanic Field, California. Tuff deposit outcrop.

Clear Lake Volcanic Field, California. Tuff deposit outcrop.

Photography
A female geologist perches on a mottled gray and white boulder at the top of a pile of the same type of rock

High Valley basaltic andesite lava flow, Clear Lake Volcanic Field, California

publication
image of publications layered on a wooden table

Stratigraphy and eruption history of maars in the Clear Lake Volcanic Field, California

Photography
In the distance, a five-peaked mountain covered in dark green trees rises above a series of lower hills

Mount Konocti lava dome complex, Clear Lake Volcanic Field, California

Research
Thurston Lake and Mount Konocti, Clear Lake Volcanic Field

Gas monitoring at Clear Lake Volcanic Field

Photography
Mount Konocti viewed from Cinder Cone, Clear Lake Volcanic Field.

Mount Konocti viewed from Cinder Cone, Clear Lake Volcanic Field.

Photography
A woman geologist stands on the rubbly black surface of a lava flow exposed in the middle of the woods

High Valley basaltic andesite lava flow, Clear Lake Volcanic Field, California

Research
Clear Lake Volcanic Field, California. Tuff deposit outcrop.

Seismic monitoring at Clear Lake Volcanic Field

Research
Mount Konocti viewed from Cinder Cone, Clear Lake Volcanic Field.

Geologic history of the Clear Lake region in the Northern California Coast Ranges

Photography
A view on a clear day, looking down from a high volcanic peak at a cratered promontory in the blue waters of Clear Lake.

Buckingham Peninsula, Clear Lake, CA

Research
Mount Konocti, a 1,312 m (4,305 ft) mountain on the eastern shore o...

Hazards Summary for Clear Lake Volcanic Field

Center News
Geologist Liz Westby and geophysicist Mike Mitchell give directions to an off-camera colleague. Liz is standing on a rock outcrop made of large gray boulders, wearing gray field pants and a red shirt. Crouched in the foreground, Mike sits amid sagebrush wearing a green USGS t-shirt and orange high-visibility hat.

We're ready for our closeup! Filming virtual field trip stops in the Clear Lake Volcanic Field

publication
image of publications layered on a wooden table

Imaging the magmatic plumbing of the Clear Lake Volcanic Field using 3-D gravity inversions

Research
Phreatomagmatic eruption column rising from the east Ukinrek Maar c...

Future volcanic activity at Clear Lake

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