Is Yellowstone’s supervolcano on the brink of erupting? Scientists discover a new HOLE in one of the park’s basins

Is Yellowstone’s supervolcano on the brink of erupting? Scientists discover a new HOLE in one of the park’s basins

Scientists have just discovered a new hole in a basin in Yellowstone National Park – raising fears the supervolcano could be on the brink of erupting.  

The unsettling 13-foot gap is located at Norris Geyser Basin – one of the hottest, oldest and most dynamic of Yellowstone’s thermal areas. 

Experts at the United States Geological Survey (USGS) say it formed over several months, starting at around Christmas 2024. 

Despite being a channel of bubbling volcanic activity, a photo from the government agency shows the cavity as a serene pool. 

With its unusually light blue water and brilliant white sand, the scene looks like it was captured on a faraway planet. 

The discovery comes just four months after the USCS discovered a newly opened volcanic vent in Yellowstone, spewing steam into the air.

Yellowstone is one of the world’s largest active volcanoes – and if it erupted, it would cover up to two-thirds of the US with ash.

Entire states could become uninhabitable as toxic air sweeps through it, grounding thousands of flights and forcing millions to leave their homes. 

The new thermal pool at Yellowstone National Park (pictured) likely formed in a series of mildly explosive events between late December 2024 and early February 2025. The rocks and white material (silica mud) surrounding the pool were probably ejected as the feature formed

The new thermal feature, discovered by geologists on April 10 but only revealed this week, is a ‘blue water spring’ – a natural exit point producing exceptionally pure, clear water. 

The water is relatively warm (about 43°C/109°F), light blue in colour and reaches about one foot (30cm) below the rim of the pool. 

In terms of the cause of its creation, the experts point to a ‘hydrothermal explosion’ – an eruption of such force that boiling water, mud and surrounding rocks are broken and flung through the air.

Satellite imagery suggests it happened as a series of mildly explosive events between late December 2024 and early February 2025 prior to discovery. 

The imagery shows there was no feature present in the spot on December 19, but by January 6, a small depression had formed there.

Another image from February 13 shows the fully formed water pool, overall indicating that it did not form in a single major explosive event. 

Rocks and pure white geothermal mud made of silica surrounding the pool were probably ejected during ‘multiple small events’. 

In contrast, other hydrothermal features at Yellowstone have formed during ‘brief and violent episodes of change’. 

This satellite imagery dated February 15 shows the new fully-formed thermal pool at Norris Geyser Basin, Yellowstone National Park. There is no indication of the pool in images from October 19 and December 19, 2024, but a small depression is visible in a January 6 image

This satellite imagery dated February 15 shows the new fully-formed thermal pool at Norris Geyser Basin, Yellowstone National Park. There is no indication of the pool in images from October 19 and December 19, 2024, but a small depression is visible in a January 6 image

The new hole in the ground is at Norris Geyser Basin (pictured), the hottest, oldest and most dynamic of Yellowstone's thermal areas

The new hole in the ground is at Norris Geyser Basin (pictured), the hottest, oldest and most dynamic of Yellowstone’s thermal areas

What is Yellowstone? 

One of the most famous volcanos on Earth, Yellowstone is located beneath a national park spanning three states – Idaho, Wyoming and Montana. 

There lies a magma chamber, pulsing with molten and superheated rock and toxic gases such as sulfur dioxide (SO2) and hydrogen sulfide (H2S). 

Old Faithful, Yellowstone National Park’s famous geyser, which has erupted jets of boiling water every 44 to 125 minutes into the air continuously for the last 800 years.

Erupting an average of 130 feet into the air at 200°F the thermal attraction could prove fatal to anyone in close proximity when it blows.

When we think of volcanoes we tend to think of striking cone-shaped features that rise high into the sky, but Yellowstone volcano is largely underground. 

Yellowstone volcano blew catastrophically 630,000 years ago and many fear it’s getting ready for another eruption, but fortunately, the new hole doesn’t necessarily indicate it is in any immediate danger of doing so. 

Dr Craig Magee, geologist at the University of Leeds, stressed that Yellowstone has a ‘long history of hydrothermal activity’. 

‘There are lots of small earthquakes and subtle changes in ground elevation regularly recorded there,’ he told MailOnline. 

‘All these tell-tale signs, and others, indicate Yellowstone has an active magmatic and hydrothermal system beneath it.

‘But the occurrence of one event, like this single hydrothermal explosion, is unlikely to represent increasing volcanic activity or a move closer to eruption; it is just a symptom.’ 

According to the academic, if Yellowstone had ‘swarms’ of hydrothermal explosions, plus increasing seismic activity and ground movement, it could suggest increased activity level. 

However, volcanoes do not work in predictable ways and their eruptions do not follow predictable patterns or schedules. 

This relief map shows the location of the new thermal feature - formed sometime during late December 2024 to early February 2025 - marked by an orange star

This relief map shows the location of the new thermal feature – formed sometime during late December 2024 to early February 2025 – marked by an orange star

Hydrothermal explosions are caused by pressure changes that result from the transition of liquid water to steam, but even scientists know ‘relatively little’ about them, according to Dr Magee. 

‘In Yellowstone, hydrothermal explosions are one of the main hazards the numerous tourists who visit may come across,’ he said. 

Despite its potency, Yellowstone National Park’s famous volcanic activity draws about 4 million tourists per year from around the world.

One of the park’s most famous geothermal features, the Old Faithful geyser, spews jets of boiling water every 44-125 minutes. 

According to a recent study, Yellowstone’s magma chamber is just 2.3 miles (3.8km) or about 12,500 feet below Earth’s surface. 

This marginal distance is about the same as between Buckingham Palace and St Paul’s Cathedral in London, but the study authors also did not consider an eruption to be imminent. 

COULD AN ERUPTION AT THE YELLOWSTONE SUPERVOLCANO BE PREVENTED?

Previous research found a relatively small magma chamber, known as the upper-crustal magma reservoir, beneath the surface

Recent research found a small magma chamber, known as the upper-crustal magma reservoir, beneath the surface

Nasa believes drilling up to six miles (10km) down into the supervolcano beneath Yellowstone National Park to pump in water at high pressure could cool it.

Despite the fact that the mission would cost $3.46 billion (£2.63 billion), Nasa considers it ‘the most viable solution.’ 

Using the heat as a resource also poses an opportunity to pay for plan – it could be used to create a geothermal plant, which generates electric power at extremely competitive prices of around $0.10 (£0.08) per kWh.

But this method of subduing a supervolcano has the potential to backfire and trigger the supervolcanic eruption Nasa is trying to prevent.

‘Drilling into the top of the magma chamber ‘would be very risky;’ however, carefully drilling from the lower sides could work. 

This USGS graphic shows how a 'super eruption' of the molten lava under Yellowstone National Park would spread ash across the United States

This USGS graphic shows how a ‘super eruption’ of the molten lava under Yellowstone National Park would spread ash across the United States

Even besides the potential devastating risks, the plan to cool Yellowstone with drilling is not simple.

Doing so would be an excruciatingly slow process that one happen at the rate of one metre a year, meaning it would take tens of thousands of years to cool it completely. 

And still, there wouldn’t be a guarantee it would be successful for at least hundreds or possibly thousands of years. 

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