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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, 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, California Volcano Observatory, Coso Volcanic Field, Communications and Publishing
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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