Skip to main content
U.S. flag

An official website of the United States government

Ross Chimneys spatter vents, Medicine Lake Volcano

By California Volcano Observatory
Piles of globby black lava stretch out in a line into the distance of a sagebrush-covered desert landscape. In the distance, a broad shield volcano is surrounded by multiple smaller scoria cones. View is south toward the upper part of Medicine Lake volcano.
Original Thumbnail Medium

Detailed Description

Small spatter vents of upper Ross Chimneys form part of the Black Crater-Ross Chimneys basalt flow (map unit bbr) that erupted about 3,000 years ago in the northern part of Lava Beds National Monument. The numerous spatter vents are aligned along a north-northeast trend. View is south toward the upper part of Medicine Lake volcano. Photograph by Julie M. Donnelly-Nolan.

Sources/Usage

Public Domain.