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Mud Eruption Filmed in Yellowstone National Park
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A recent video captured a dramatic mud eruption within Yellowstone National Park, sparking interest and prompting park officials to monitor the area. The event, filmed near the West Thumb Geyser Basin, highlights the dynamic geothermal activity characteristic of the park.
Last updated: December 22, 2025, 08:12:26 AM PST
What Happened?
On an unspecified date in December 2025, a visitor to Yellowstone National Park filmed a mud eruption near the West Thumb Geyser Basin. the video, shared widely online, shows a forceful expulsion of mud and water from a geothermal feature. Vistaalmar.es first reported on the event, sharing the video and initial observations.
While mud eruptions are not uncommon in Yellowstone, the size and force of this particular event drew attention. These eruptions occur when subsurface water is heated by magma, creating steam pressure that builds up until it overcomes the overlying rock and sediment, resulting in a sudden release.
Where is West Thumb Geyser Basin?
The West Thumb geyser Basin is located on the shores of Yellowstone Lake, and is one of the most visually striking geothermal areas in the park. It’s unique because several of its features are partially submerged in the lake. The basin sits within a caldera – a large volcanic crater – formed by a massive eruption approximately 767,000 years ago. The National Park Service provides detailed information about the West Thumb Geyser Basin, including its geological history and features.
The area is known for its colorful hot springs,geysers,and mud pots,all indicators of the intense geothermal activity beneath the surface. The proximity to Yellowstone Lake adds to the dramatic landscape.
Why Do Mud Eruptions Happen in yellowstone?
Yellowstone National Park sits atop a massive volcanic system,making it a hotspot for geothermal activity. The United States Geological Survey (USGS) provides comprehensive information on the Yellowstone Volcano Observatory (YVO), which monitors the park’s volcanic and geothermal activity.
Here’s a breakdown of the process:
- Heat Source: Magma beneath the surface heats groundwater.
- Pressure Build-up: The heated water turns to steam, increasing pressure.
- Confinement: Layers of rock and sediment trap the steam and water.
- Eruption: When the pressure exceeds the strength of the overlying material, an eruption occurs, expelling mud, water, and steam.
Mud pots, in particular, form when hot springs and fumaroles (steam vents) interact with clay-rich soils. The resulting mixture creates a thick, bubbling slurry.
Is This Unusual?
Mud eruptions, while visually dramatic, are a relatively common occurrence in Yellowstone. The park experiences numerous small-scale eruptions each year. However, the size and force of this recent eruption, as captured in the video, are noteworthy.Park officials are monitoring the area to assess any changes in geothermal activity.
according to the National Park Service’s safety guidelines, visitors should maintain a safe distance from all geothermal features, as the water and mud can be extremely hot and hazardous.
