description Porkchop Geyser Overview
Porkchop Geyser is a hydrothermal feature in the Norris Geyser Basin of Yellowstone National Park. Once known for intermittent and then nearly continuous eruptions, it underwent a hydrothermal explosion in 1989 when pressure beneath the vent shattered surrounding sinter and scattered rock fragments more than 200 feet. The event illustrates how Yellowstone's hot-water systems can change abruptly.
help Porkchop Geyser FAQ
Where is Porkchop Geyser located?
Porkchop Geyser is in the Norris Geyser Basin of Yellowstone National Park. It is a hydrothermal feature shaped by the area's underground heat and pressure.
What happened to Porkchop Geyser in 1989?
In 1989, Porkchop Geyser underwent a hydrothermal explosion. Pressure beneath the vent shattered nearby sinter and scattered debris around the feature.
Why was Porkchop Geyser notable before the explosion?
It was known for intermittent eruptions and later for periods of nearly continuous eruption. That activity made it one of the more unusual features in Norris Geyser Basin.
Is Porkchop Geyser a normal volcanic geyser?
It is a hydrothermal feature rather than a lava-producing volcano. Its eruptions and the 1989 explosion were driven by heated underground water and pressure.
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