1 MINUTE AGO: USA's SLEEPING VOLCANO AWAKENS — Scientists Sound the Alarm

Well, now to a scary looking seismic record from a sensor on Mount Reineer. Those images going viral, but scientists warning it is not what it seems. >> Scientists are sounding alarm bells along the spine of the Pacific Northwest. And the warnings are growing sharper with every new reading they collect from Mount Reineer. The mountain, beautiful and commanding at nearly 14,500 ft, rises above Washington's lowlands. like an ancient sentinel, its icy crown glistening, its slopes etched with glaciers and deep snowpack. But beneath this serene image, an urgent reality simmers, a dangerous potential with power few imagine, but many fear. Mount Reineer is not just a landmark for Seattle's skyline. It is classified by the US Geological Survey as one of the most hazardous volcanoes in North America and the third most dangerous volcano in the United States. Its proximity to sprawling [music] cities, vibrant towns, and densely populated valleys makes its [music] presence as much a threat as an inspiration. Communities under the mountains gaze often trust the mountain [music] silence to mean safety. Yet, science is unambiguous. Silence [music] is not security. Researchers monitoring the volcano today warn of evolving conditions. Molten rock slowly rising beneath the summit, volcanic gases trickling through fissures, [music] and most perilous of all, subtle shifts in the snow and ice that could trigger catastrophic debris flows known as laahar. There's a deep urgency in the activity around Reineer these days. Scientists from the US Geological Survey and the Cascades Volcano Observatory regularly deploy new instruments, analyzing seismic networks and satellite imagery for signs of change, a sudden tremor here, a thermal spike there. These are rarely random features. Each has the potential to be a precursor, a signal that something deeper is building in the shadow of the summit. But what worries scientists the most isn't simply the idea of a volcanic eruption. It's the chain reaction that a major eruption or even localized volcanic heating could set off. The sudden melting of parts of Reineer's immense snow cap and glaciers freeing immense quantities [music] of water in a matter of moments. When that happens, the unleashed volcanic mud flows, laahars, can rush down the flanks of the mountain at terrifying speed, carrying rock, ice, and dirt, mowing down forests and communities without warning. History makes clear that Rineer's laars have in the past thundered all the way into what are now heavily populated valleys. Half a million people live or work at top the flood plains of ancient debris flows. Going about their daily lives while unaware that evacuation alerts, if they come, may leave precious little time to act. What if this time the mountain doesn't provide gradual warning, no gentle cracks or subtle rumblings before a surge? What if the change is sudden and the cascade of melting and destruction roars down the mountain faster [clears throat] than any response plan can activate? The question isn't idle speculation. It's a scenario that planners and scientists alike must grapple with as they study the patterns of the past and the possibilities of the present. The real danger isn't confined to what's obvious. The threat doesn't stop at the edge of Rainineer's silhouette on the horizon. The glacial shield that sheaths the upper mountain, the largest single peak glacier system in the lower 48 states acts as both protector and potential menace. As it melts in response to both volcanic heat and broader shifts in the climate, it sets the stage for a dangerous interplay. Water from melting snow and ice can rapidly combine with loose volcanic debris, creating the very substance of laahar. Flowing at speeds comparable to highway traffic, they can threaten infrastructure, homes, and lives far downstream from the initial event. In research centers and field stations, geologists like Dr. Marcus Leighton pour over seismic data and glacial core samples, searching for hints of what might spark the next disaster. We are living in a time where risk is tangible [music] and rising, says Dr. Leighton. We see not just an accumulation of volcanic energy beneath the surface, but a visible thinning of snow mass. Both trends moving faster than our models foresaw even a decade ago. These are not hypothetical risks. Previous laars from Reineer transformed entire river valleys. Scientists map these old flows in bright red across evacuation charts, a visual reminder that the present calm doesn't erase the mountains violent potential. The sound of a laahar is not the gentle flow of a stream or the crack of a single tree, but a low churning onslaught capable of swallowing whatever lies downstream. The true scope of the threat extends into daily life. With every seismic sensor humming near Reineer's base and every research drone scanning fissures and snow melt patterns, there's a parallel human story unfolding. Emergency managers revisit [music] evacuation protocols. Public officials commission new flood hazard [music] studies and families consider the best escape routes from their neighborhoods. The risk is now recognized as part of the region's legacy. Yet for many, the sense of unease only grows the more they learn. What then is fueling this increasing sense of urgency among scientists, professionals known for caution and skepticism, not alarmism? Is it mere anxiety or a response to clear empirical signals? The answer increasingly lies in the intersection of geological unrest, relentless glacial melt, and growing urbanization in risk zones. Every new pulse of magma, every documented thinning of the snowpack combines with patterns of continuing population growth and development below. The danger is more than the sum of these hazards. It's a convergence where [music] disaster can cascade from one system to another, multiplying impact far beyond what a single event [music] might cause. If these processes converge, a single eruption might unleash not [music] only ash and volcanic debris, but melting on such a scale that vast laars hurdle down toward densely populated valleys. Reineer is not a dormant [music] threat. It is a very high threat volcano, and the stakes of [music] inattention are enormous. For those gripped by the science unfolding on Ray and the stories [music] reshaping our understanding of disaster risk, staying informed is urgent as well as fascinating. These events, these discoveries are [music] not just markers of history. They are warnings and they could save lives. Preparing, discussing plans, and revising emergency routines are [music] not just acts of caution. They are vital defenses for those living beneath the mountains reach. Let's now delve deeper into the unfolding reality of Ramine's restlessness, exploring what scientists see beneath the surface and what that means for the region's future. For generations, Rineer's majesty has defined life in western Washington. Tourists flock to its meadows and viewpoints. Hikers cross wildflower carpeted slopes. and locals host family celebrations in the shadow of its summit. The sleeping giant is woven into daily life, a backdrop to commutes, sporting events, and neighborhood picnics. But the mountains beauty masks a restless energy, a hazardous potential as dynamic as its glaciers and as powerful as its volcanic roots. The geological record is unmistakable. Debris fans and deeply carved valleys radiate from the summit, tracing the fingerprints of past eruptions and laahars. In earlier centuries, these laahars carved new channels. Today, thousands of homes and businesses are built on top of those ancient flows. A silent testament to disasters long faded from public memory, but not from scientific records. Dr. Felicia Harrow and her USGS colleagues meticulously track Reineer's glacial and volcanic changes using advanced tools. Everything from satellites charting glacier retreat to ground penetrating radar scanning for volcanic deformation. Their research points to mounting instability. We're seeing not just seasonal melting but deeper disturbances linked with volcanic activity below. Dr. Harrow explains, "These persist year after year, and the trends are becoming harder for us to ignore. This overlap, persistent volcanic heat from below and rapid snow melt above anchors Mount Reineer's unique risk profile. Reinforcing this concern are findings from the Puallup and Nisquali river basins, where scientists have located and mapped enormous ancient Lahar deposits. By studying these remnants, they trace possible future pathways and the potential reach of the next disaster. Alarming too is the modern reality that more than a million people live and work in areas that could be in the path of a major laahar. Imagine the first signs of disaster not being a news bulletin or dramatic tremor, but a dull insistent roar. A wall of mud and debris moving faster than any vehicle barrels down a valley that only minutes ago was the backdrop to everyday life. Disaster planners in the region don't exaggerate when they warn of minutes to evacuate in certain scenarios. The distance from Rineer's summit to the nearest communities may be measured in dozens of miles, but laars have been clocked at speeds up to 60 mph. The laws of nature giving little advantage to late movers. Historic events show that when Reineer acts, it acts with unstoppable force. Critical infrastructure lies in harm's way. Bridges crossing rivers built at top old laar beds. State highways threading through valleys, substations, and emergency centers near river channels all are at risk from the advancing debris and water. Emergency managers conduct annual reviews of Lahar inundation maps, revising their plans as science reveals ever more efficient, [music] more powerful potential flows. Their assessments grow starker. Our infrastructure often assumes more time and more [music] forewarning than nature may actually provide. And the threat is not contained [music] to a single community or basin because the region's hydraology is so interconnected. A massive laahar could choke [music] rivers past their banks, flooding towns and choking infrastructure miles from the original flow. Dr. Harrow's research shows that present-day urban development has steadily encroached onto planes created by ancient mud flows in many cases with limited public awareness or preparation for such a hazard. The line between scientific clarity and public [music] concern is often thin. Can technology and public vigilance hope to keep up with the speed and unpredictability of a volcano and its laars? While no [music] system is perfect, ongoing investment in monitoring networks, public education, and planning has never been more [music] crucial. To fully appreciate the scale of risk, consider Rineer's rare combination of hazards, not just from [music] volcanic eruption, but from the climate and from the persistent expansion of human settlement. Scientists like Dr. Harrow are clear. No engineering solution alone guarantees safety. What's required is ongoing vigilance, a constant re-evaluation of risk based on data, not complacency or the false comfort of memory. As the day ends and Reineer's glaciers shimmer above Puet Sound, warnings echo throughout the region, louder than perhaps ever before. City planners, school administrators, and families review their plans not as distant contingencies, but as immediate priorities. [music] Evacuation drills and hazard awareness campaigns have become part of life [music] for many communities. Preparation for the kind of disaster that may [music] strike not with warning, but with stunning speed. More recent [music] scientific insights offer sobering evidence that both glacier loss and volcanic [music] activity are progressing at a pace greater than earlier projections. Dr. Harrow's team records accelerated yearover-year ice losses and satellites reveal new stretches of exposed bedrock where glaciers have shrunk. This trend makes laars more likely as thawed terrain is more unstable and water [music] more readily available to mobilize volcanic debris. Rineer's very structure, layer upon layer of volcanic rock and ash interlaced with ice means the mountains slopes are inherently unstable. Sudden heating from beneath or a jolt from seismic [music] activity can send entire sectors sliding into the valleys below, potentially triggering catastrophic [music] laars that reach populated areas within an hour. Reineer stands apart not only for its height [music] but for its setting. A temperate climate with ample snowfall feeds its glaciers year [music] after year. The same snow and ice that define the mountains grandeur contribute to its destructive [music] capability. When volcanic heat mixes with surface water, the resulting flows are more frequent and more deadly than those found at drier volcanoes elsewhere in the world. This reality is not lost on regional planners. In cities from Tacoma to Puallup to Oring, maps are being redrawn, critical buildings upgraded, and siren systems installed along river channels. Drills involving schools, hospitals, and nursing facilities have become routine. We're racing not just against geology, but against the erosion of public memory, Dr. Harrow reminds local leaders, ensuring that we never forget how [music] quickly conditions can change. Historical records sharpen that warning further. In the 19th century, Reineer's [music] LAR wrought destruction along empty river valleys, places that are now commuter suburbs filled with schools, roads, [music] and businesses. The Oring and Carbon River valleys especially stand out as high-risk zones. Their dense populations and linear infrastructure pose serious challenges for rapid [music] evacuation. The devastation flowing from a major laahar goes beyond mud and [music] debris. Ash and volcanic materials dissolve into waterways, potentially [music] overwhelming local water treatment systems and contaminating natural wetlands. Emergency response could be further crippled by damaged [music] bridges and clogged roads. Even after the initial flow, communities face long-term threats from toxic chemicals [music] and widespread environmental damage. The grim question lingers. If disaster strikes with little or no warning, especially at night, how many people will have the chance to make it to safety? How much time is enough when even the fastest responders and [music] bestlaid plans may be up against forces moving at 60 m hour or more? Alerts and warnings are improving. A vast network of seismographs and satellite sensors now monitor Reineer around the clock, transmitting data to field offices and academic labs. Recent findings point to changes in heat and rock movement beneath [music] the summit, including pulses of geothermal energy indicative of rising magma. While these signs don't predict precise timing, they remind authorities and the public alike to remain [music] vigilant. Some scientists contemplate the possibility that a moderate eruption could trigger not [music] just one but multiple sector collapses causing laahar to surge [music] down more than one valley. Evidence from past deposits shows that in some cases even relatively small [music] disturbances have caused cascading chain reactions within hours, even minutes. No one can map every potential chain of events in advance. Preparedness now goes far beyond annual drills. The focus is turning to hyper local plans. Block by block, group by group, residents learn multiple escape routes. Schools drill children in the most direct paths out of the hazard zones. If everyone waits for a perfect signal, it may be too late, says Dr. Leighton. Practice and self-initiative are the best hope. Yet persistent gaps remain. Some vulnerable valleys have outdated infrastructure or lack reliable warning sirens, language barriers, economic challenges, and old road networks add further hurdles to evacuation. Emergency [music] planners worry about the risks posed by everyday obstacles. In community gatherings and faith [music] centers, conversations about readiness have become more common. Families review go bags, plan meeting points, and teach their children to respond quickly. For those who dwell in the predicted path of a laar, [music] preparedness now colors every decision from buying property to planning [music] everyday commutes. The resolve of the scientific community remains unwavering. Dr. Harrow and her colleagues press for greater awareness, knowing that Reineer's power is measured not only by geology, but by the limits of human imagination and memory. It is human nature to normalize the quiet periods between disasters. Yet, Reineer's risks are as much psychological as physical, [music] a fact that shapes the USGS's ongoing education and outreach. Ongoing monitoring picks up small but persistent alerts. changes in surface temperature, migrating tremor [music] clusters, satellite detected cracks in the mountains icy shell. We're now in what we call the [music] prelude phase, explains Dr. Leighton. The mountain is showing signs of unrest. What follows could be gradual [music] or abrupt. Only continued observation and preparation will tip the [music] odds in our favor. If you've stayed with this story so far, you know the stakes. Scientific progress, public engagement, and clear-headed planning are vital to improving odds of survival. Prepare not just in your mind, but in your day-to-day life, as the next warning may come with no advanced notice, as the sun sets and Reineer's glaciers bathe in the last light of day. The landscape appears peaceful, almost eternal. Yet scientists monitoring alerts and refining readiness plans know that natural beauty and great hazard have always been two faces of the same mountain. To forget either is to invite the next catastrophe. Vigilance rooted in science, memory, and solidarity is the region's strongest line of defense. Every data set, every drill, every family conversation pushes the Pacific Northwest closer to safety for the next event. The question is no longer if Reineer will awaken, but when and whether we can match its might with our collective preparedness. Stay observant, stay connected, and most importantly, stay prepared. When the mountain speaks again, it will not wait for permission to reshape the world below. Don't forget to subscribe for updates. Leave your questions and ideas in the comments, and check out our next segment for more on volcanic risks around the globe. Your awareness could make all the difference when every second counts.