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The day that Porkchop Geyser exploded - USGS
The day that Porkchop Geyser exploded Release Date: June 28, 2021 Small hydrothermal explosions—steam blasts—are common at Yellowstone, occurring every year or two. Most happen in the backcountry and are not observed by people. In 1989, however, Porkchop Geyser blew up right in front of several observers on an otherwise sunny September afternoon. Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with the U.S. Geological Survey and Scientist-in-Charge of the Yellowstone Volcano Observatory. Sources/Usage: Public Domain. View Media Details Porkchop Geyser erupting in August 1989. Norris Geyser Basin is one of the most unique parts of Yellowstone National Park. The basin hosts both acidic and neutral hot springs —a somewhat unusual combination—is ...