Scientists Found Small Volcanoes That Could Trigger Catastrophic Eruptions

Bright Side

Scientists have just identified a group of small volcanoes that experts warn could be among the most dangerous on Earth. While massive supervolcanoes often grab the headlines, these newly discovered volcanic vents and cinder cones pose a hidden threat due to their proximity to populated areas and unpredictable explosive eruptions. This breaking science news reveals how geologists used advanced seismic monitoring to uncover these "mini" killers lurking beneath the surface. In this nature documentary, we dive deep into the geology of these natural disasters and explain why size doesn't always determine the scale of a volcanic eruption. Watch now to see the latest scientific discovery that is reshaping our understanding of the Pacific Ring of Fire and global volcanic activity. Don't miss this essential update on the most dangerous volcanoes you’ve never heard of before they wake up.  Credit: Eruption of Teishi Knoll: By Official website of Hydrographic and Oceanographic Department, Japan Coast Guard (JHOD), https://commons.wikimedia.org/wiki/File:Eruption_of_Teishi_Knoll_19890713_01.webm CC BY 3.0 https://creativecommons.org/licenses/by/3.0: The Great Alaska Earthquake: By USGS / YouTube, https://commons.wikimedia.org/wiki/File:1964_Quake-_The_Great_Alaska_Earthquake.webm CC BY 2.0 https://creativecommons.org/licenses/by/2.0: Paricutin: By Karla Yannín Alcázar Quintero, https://commons.wikimedia.org/w/index.php?curid=67578 Basalt lava flow eruption: By James St. John - https://flic.kr/p/2nCcFQV, https://commons.wikimedia.org/wiki/File:Basalt_lava_flow_eruption_(4_August_2022)_(Meradalir_Valley,_near_Fagradalsfjall_Volcano,_Iceland)_1.webm CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/: Lake Meke: By Bernard Gagnon, https://commons.wikimedia.org/w/index.php?curid=39232682 CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0: Crater Hill 2009: By Bruce Hayward, https://commons.wikimedia.org/w/index.php?curid=127326405 Animation is created by Bright Side. ----------------------------------------------------------------------------------------  Music from TheSoul Sound: https://thesoul-sound.com/   Check our Bright Side podcast on Spotify and leave a positive review! https://open.spotify.com/show/0hUkPxD34jRLrMrJux4VxV  Subscribe to Bright Side: https://goo.gl/rQTJZz  ----------------------------------------------------------------------------------------  Our Social Media:  Facebook: https://www.facebook.com/brightplanet/  Instagram: https://www.instagram.com/brightside.official  TikTok: https://www.tiktok.com/@brightside.official?lang=en   Stock materials (photos, footages and other):  https://www.depositphotos.com  https://www.shutterstock.com  https://www.eastnews.ru  ----------------------------------------------------------------------------------------  For more videos and articles visit: http://www.brightside.me  ----------------------------------------------------------------------------------------  This video is made for entertainment purposes. We do not make any warranties about the completeness, safety and reliability. Any action you take upon the information in this video is strictly at your own risk, and we will not be liable for any damages or losses. It is the viewer's responsibility to use judgement, care and precaution if you plan to replicate.

Transcript

00:00Stop for a second and look at the ground beneath your feet.

00:03Is it a quiet suburban street, a flat basketball court, or maybe a peaceful stretch of farmland?

00:10You probably feel safe because there isn't a giant smoking mountain on the horizon, but

00:14that safety is an illusion.

00:19Yeah sure, Yellowstone, Vesuvius or Mount Fuji, those are the celebrities of the geological

00:25world.

00:26Giants that dominate the skyline and sometimes blow their tops.

00:29But what about a hidden threat?

00:31One that doesn't look like a volcano at all.

00:34It's invisible, it's silent, and thousands of these traps are scattered across the planet,

00:39lurking right under the foundations of our biggest cities.

00:44Scientists call them monogenetic volcanic fields.

00:47To the untrained eye, they don't look like volcanoes at all.

00:51They disguise themselves as innocent hills, flat plains, or just lovely lakes.

00:56For decades, they were mainly ignored because of their small size.

00:59But new data suggests these hidden systems are far more dangerous than previously thought.

01:05And unlike the big giants that give weeks of warning rumbles, these invisible volcanoes

01:10specialize in surprise attacks.

01:12Hold tight.

01:14To understand the danger, we have to look at the plumbing.

01:17A standard volcano acts like a simple chimney.

01:20There is a central magma chamber and a main pipe leading to the surface.

01:24Eruption after eruption, lava flows out the same vent, building a massive cone over thousands

01:31of years.

01:32Monogenetic fields break all these rules.

01:35They don't build mountains.

01:37They don't reuse the same pipe.

01:39Instead of a chimney, imagine a cracked windshield.

01:42Magma deep underground scans for any weakness in the crust over a massive area.

01:47It pushes up, cracks the surface, erupts once, usually violently, and then calms down forever.

01:54The next time magma rises, it won't use that old vent.

01:58It will find a new crack five miles away, or ten.

02:02This means you can't just monitor one specific mountain.

02:05The entire region is a danger zone.

02:07And because each volcano is a one-and-done event, the landscape is deceptive.

02:13You could drive past the site of a violent ancient explosion every day on your way to

02:17work and simply see a grassy knoll.

02:20The scary part is the speed.

02:22In these fields, magma can rocket from 30 miles down to the surface in less than 24 hours.

02:28It moves at a speed of up to 4 miles per hour.

02:31That sounds slow for a car, but for melting rocks, that is the speed of an elevator.

02:37This isn't just a theoretical problem for empty deserts.

02:41Take Auckland, New Zealand.

02:42It's a stunning modern city with beautiful harbors and over a million residents.

02:48But Auckland is built directly on top of a geological minefield.

02:52Sounds a bit crazy, right?

02:54Beneath rugby stadiums, parks, and busy intersections lies the Auckland Volcanic Field.

03:00Those scenic green hills scattered across the city aren't just landscaping.

03:04They're the remains of over 53 separate volcanic eruptions.

03:08Drangitoto Island, which sits just offshore, emerged from the ocean only 600 years ago.

03:14In geological time, that was five minutes ago.

03:17For years, this field was considered sleepy.

03:20But recently, scientists have started noticing subtle changes.

03:23The terrifying reality of a field like this isn't that a volcano we already know will erupt again.

03:29It's that a new one can pop up and go from zero to a disaster in the blink of an eye.

03:35A bubble of magma could rise silently beneath a factory, a highway interchange, or a residential neighbourhood.

03:41There is no designated safe zone because the threat is spread across the entire city map.

03:47History gives us a brutal example of how fast this happens.

03:52In 1943, a farmer named Dionisio Pulido was plowing his cornfield in Mexico, on the outskirts

03:58of Mexico City.

04:00It was a normal Tuesday.

04:01Suddenly, the ground cracked open right in front of him.

04:04Smoke hissed out, smelling of rotten eggs.

04:07Within 24 hours, that small crack in a flat field had transformed into a raging volcano

04:12160 feet tall.

04:15Within a week, it stood 500 feet high.

04:18This was the birth of Paricutin.

04:20It wiped out two entire towns, leaving only the stone steeple of a church poking out of

04:25the hardened lava.

04:26A haunting monument that still stands today.

04:30This geological nightmare started in a simple cornfield, and it wasn't an isolated incident.

04:37Look at the Harat Rahat field in Saudi Arabia.

04:40In 1256, a massive fissure opened up near the city of Medina.

04:44It spewed lava for 52 days, creating a river of fire 14 miles long.

04:50Today, that same volcanic field is still there, and modern Medina has expanded right on top

04:56of the ancient lava flows.

04:58Now apply that same story to a suburb of Los Angeles, a district in Tokyo, or a neighbourhood

05:04in Europe.

05:06In a matter of days, an entire city can be buried under ash.

05:10The risk is global, ranging from over 1,800 vents in the American Southwest to the restless

05:16Eiffel region in Germany and similar fields in China.

05:20Experts warn that the real risk here isn't size, but frequency and location.

05:25These volcanoes tend to be explosive.

05:28When magma rises rapidly and hits groundwater, which is common under cities and fertile farmland,

05:33it flashes into steam.

05:35This creates a phreatomagnetic explosion.

05:38Instead of a slow, oozing river of lava that people can walk away from, the ground acts

05:43like a shotgun blast.

05:44It sends a massive column of ash and rock shooting into the atmosphere.

05:48In our modern world, this is a recipe for chaos.

05:52We rely on delicate systems, air travel, GPS signals, just-in-time supply chains.

05:59You don't need a supervolcano to crash the global economy.

06:02A small eruption near a major logistics hub is enough.

06:07Remember the 2010 eruption in Iceland?

06:09That wasn't even a big explosion by historical standards.

06:12Yet the ash cloud grounded over 100,000 flights, and 10 million passengers were stranded.

06:20Volcanic ash melts inside jet engines, while toxic dust poisons crops and contaminates water

06:25reservoirs with heavy metals.

06:27It creates a domino effect.

06:29One small eruption in the wrong place triggers a cascading failure of global infrastructure.

06:35And the most alarming part is that the signals are already there.

06:39Recent geological studies have shown an uptick in activity in these distributed fields.

06:44It isn't always violent earthquakes.

06:47Often, it's brady-sci-ism, the slow, rhythmic breathing of the ground.

06:51We mentioned the Eiffel region of Germany, where GPS data shows the land is rising by

06:56about 0.04 inches per year.

06:59It sounds tiny, but for geologists, that is a proper red flag.

07:04Scientists are detecting slight swells in the Earth's crust and weird spikes in carbon

07:08dioxide emissions in places that should be quiet.

07:12Magma is moving, but because these systems are so spread out, monitoring them is a nightmare.

07:19We have sensors all over Yellowstone.

07:20We watch Vesuvius 24-7.

07:23But almost no one is watching a random patch of desert in Arizona or a forest floor in Germany.

07:30These invisible volcanoes are poorly studied.

07:33We lack the baseline data to know if a tremor is just a truck driving by or the start of a

07:37Pericotin-style event.

07:40This lack of data means that when an eruption starts, authorities might have almost zero warning.

07:46In a polygenetic volcano, the mountain swells for months.

07:50In a monogenetic field, magma can shoot from the deep mantle to the surface in hours.

07:56By the time the evacuation order is written, the lava could already be breaking through the

08:00pavement.

08:01It isn't that hard to imagine the logistical nightmare.

08:04A city not known for volcanoes suddenly receives an alert.

08:08A vent is forming downtown.

08:11It sounds impossible.

08:13People delay leaving.

08:14They grab their phones to film the smoke.

08:16Then explosions start.

08:19The ash creates a blackout.

08:21Power grids fail as wet ash shorts out transformers.

08:24Roads gridlock instantly.

08:27This scenario isn't science fiction.

08:29It's exactly what hazard models predict for places like the Auckland Volcanic Field or parts

08:34of the Trans-Mexican Volcanic Belt.

08:36We are building denser and denser cities on top of geological landmines.

08:41This doesn't mean we need to start digging bunkers.

08:44But it does require a shift in perspective.

08:46We have spent so much time worrying about the celebrity volcanoes that we forgot about

08:51the quiet ones.

08:52The Earth is a living, shifting engine that doesn't care about property lines or city limits.

08:58Scientists are now pushing for better monitoring networks, using satellites to track even the

09:03tiniest ground deformation in these boring flat fields.

09:08Because the only way to survive a surprise attack is to see it coming before the ground

09:12cracks open.

09:14Peace and quiet on the surface doesn't always mean peace and quiet underneath.

09:18The Earth has plenty of secrets left, and some of them are just waiting for the right moment

09:24to surface.

09:25That's it for today.

09:26So hey, if you've pacified your curiosity, then give the video a like and share it with

09:30your friends.

09:31Or if you want more, just click on these videos and stay on the Bright Side!

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