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A photograph of several rocky volcanic hills shaped like upside-down flans. The hills and the landscape around them are dotted with sagebrush and dry grasses, revealing the underlying desert soil and rock. A bright blue sky overhead is streaked with clouds. USGS photo by Seth Burgess
Lava domes in the Coso Volcanic Field
Lava domes in the Coso Volcanic Field
A photograph of several rocky volcanic hills shaped like upside-down flans. The hills and the landscape around them are dotted with sagebrush and dry grasses, revealing the underlying desert soil and rock. A bright blue sky overhead is streaked with clouds. USGS photo by Seth Burgess

Lava domes in the Coso Volcanic Field

Lava domes in the Coso Volcanic Field

The photo shows several silica-rich lava domes in the Coso Volcanic Field, the closest of which erupted onto the desert floor around 80,000 years ago. USGS photo by Seth Burgess.

By
California Volcano Observatory, Coso Volcanic Field
A photograph of several rocky volcanic hills shaped like upside-down flans. The hills and the landscape around them are dotted with sagebrush and dry grasses, revealing the underlying desert soil and rock. A bright blue sky overhead is streaked with clouds. USGS photo by Seth Burgess

Lava domes in the Coso Volcanic Field

Lava domes in the Coso Volcanic Field

The photo shows several silica-rich lava domes in the Coso Volcanic Field, the closest of which erupted onto the desert floor around 80,000 years ago. USGS photo by Seth Burgess.

By
California Volcano Observatory, Coso Volcanic Field
Image: Coso Volcanic Field Tumulus
Coso Volcanic Field Tumulus
Coso Volcanic Field Tumulus
Image: Coso Volcanic Field Tumulus

Coso Volcanic Field Tumulus

Coso Volcanic Field Tumulus

A tumulus in the Coso Volcanic Field, California. This lava was probably more viscous than the lava found in the Hawaii tumuli.

By
Volcano Hazards Program, California Volcano Observatory, Coso Volcanic Field, Communications and Publishing
Image: Coso Volcanic Field Tumulus

Coso Volcanic Field Tumulus

Coso Volcanic Field Tumulus

A tumulus in the Coso Volcanic Field, California. This lava was probably more viscous than the lava found in the Hawaii tumuli.

By
Volcano Hazards Program, California Volcano Observatory, Coso Volcanic Field, Communications and Publishing
Two white men wearing jeans, button-down shirts, and bulky harnesses with huge rectangular backpacks sit on the frame of a stripped-down white motorized buggy-like vehicle. Their harnesses have two old-fashioned video cameras pointing forward. On the front of the vehicle, a large metallic mesh radio antenna dish is raised on a pole. In the background, mounds of dark, jagged, black lava rock sit in front of a skyline composed of several rounded red hills of volcanic scoria.
Apollo 16 astronauts test a lunar rover in the Coso Volcanic Field, California
Apollo 16 astronauts test a lunar rover in the Coso Volcanic Field, California
Two white men wearing jeans, button-down shirts, and bulky harnesses with huge rectangular backpacks sit on the frame of a stripped-down white motorized buggy-like vehicle. Their harnesses have two old-fashioned video cameras pointing forward. On the front of the vehicle, a large metallic mesh radio antenna dish is raised on a pole. In the background, mounds of dark, jagged, black lava rock sit in front of a skyline composed of several rounded red hills of volcanic scoria.

Apollo 16 astronauts test a lunar rover in the Coso Volcanic Field, California

Apollo 16 astronauts test a lunar rover in the Coso Volcanic Field, California

Apollo 16 astronauts John Young (right) and Charlie Duke (left) ride in Earth-adapted Lunar Roving Vehicle "Grover" in the Coso Volcanic Field near Ridgecrest California, November 1971. Photo by NASA.

By
California Volcano Observatory, Coso Volcanic Field
Two white men wearing jeans, button-down shirts, and bulky harnesses with huge rectangular backpacks sit on the frame of a stripped-down white motorized buggy-like vehicle. Their harnesses have two old-fashioned video cameras pointing forward. On the front of the vehicle, a large metallic mesh radio antenna dish is raised on a pole. In the background, mounds of dark, jagged, black lava rock sit in front of a skyline composed of several rounded red hills of volcanic scoria.

Apollo 16 astronauts test a lunar rover in the Coso Volcanic Field, California

Apollo 16 astronauts test a lunar rover in the Coso Volcanic Field, California

Apollo 16 astronauts John Young (right) and Charlie Duke (left) ride in Earth-adapted Lunar Roving Vehicle "Grover" in the Coso Volcanic Field near Ridgecrest California, November 1971. Photo by NASA.

By
California Volcano Observatory, Coso Volcanic Field
Coso hot springs, black and white image
Coso Hot Springs located at Coso Volcanic Field, CA
Coso Hot Springs located at Coso Volcanic Field, CA
Coso hot springs, black and white image

Coso Hot Springs located at Coso Volcanic Field, CA

Coso Hot Springs located at Coso Volcanic Field, CA

Coso Hot Springs in Coso volanic fields, Feb 4, 1920.

By
Volcano Hazards, California, California Volcano Observatory, Coso Volcanic Field
Coso hot springs, black and white image

Coso Hot Springs located at Coso Volcanic Field, CA

Coso Hot Springs located at Coso Volcanic Field, CA

Coso Hot Springs in Coso volanic fields, Feb 4, 1920.

By
Volcano Hazards, California, California Volcano Observatory, Coso Volcanic Field
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