Scientists Discover Hidden Mountains 100 Times Taller Than Everest
Scientists have recently uncovered a fascinating geological phenomenon hiding deep within the Earth — peaks that dwarf Mount Everest and challenge our understanding of the planet’s internal structure.
When most of us hear “world’s highest peak,” Mount Everest immediately comes to mind, towering at an impressive 8,848 meters (29,031 feet). Its summit is the ultimate goal for mountaineers and adrenaline seekers, representing one of the most physically demanding challenges.

But what if far more colossal formations existed, hidden in the vast depths of our planet? Here’s the surprise — researchers have identified two “mountains,” potentially over 100 times taller than Everest, lurking deep beneath the Earth’s crust.
The Discovery of Earth’s Hidden Giants
According to a groundbreaking study conducted by Utrecht University, these massive formations, reaching an estimated height of 1,000 kilometers (around 620 miles), are unlike anything we’ve encountered on the Earth’s surface. Found approximately 2,000 kilometers (1,200 miles) below the crust, these geological giants are located in the mantle’s boundary, the semi-solid layer sandwiched between the Earth’s core and crust, beneath Africa and the Pacific Ocean.
Described as “islands” in Earth’s deep interior and estimated to be at least half a billion years old, these structures could hold clues to Earth’s ancient history. They may even date back four billion years, near the time of our planet’s formation. “Nobody knows what they are, and whether they are only a temporary phenomenon or if they have been sitting there for millions or perhaps even billions of years,” explained Dr. Arwen Deuss, a lead scientist on the study.
These extraordinary peaks are situated within Large Low Seismic Velocity Provinces (LLSVPs), expansive regions in the Earth’s mantle where seismic waves travel more slowly due to their unique properties. Studying these structures is a monumental challenge because of their sheer depth and the extreme conditions.
Cracking the Mystery of the Mantle
The science behind the discovery is as fascinating as the findings themselves. When an earthquake occurs, shockwaves ripple through the Earth’s interior. These waves travel at different speeds depending on the density and temperature of the material they pass through. By observing how these waves behave, scientists can map the hidden features of the mantle.
The study revealed that the zones housing these titanic “mountains” slow seismic waves significantly, but unexpectedly, the process known as damping — where wave energy is absorbed — was less pronounced in these regions. Co-researcher Dr. Sujania Talavera-Soza shared, “Against our expectations, we found little damping in the LLSVPs, which made the tones sound very loud there. But we did find a lot of damping in the cold slab graveyard, where the tones sounded very soft.”
The data also suggests that the LLSVPs contain larger mineral grains compared to the surrounding mantle, which don’t absorb as much wave energy. Dr. Talavera-Soza elaborated, “Those mineral grains do not grow overnight, which can only mean one thing: LLSVPs are lots and lots older than the surrounding slab graveyards.”
Comparisons to Ever-Present Mantle Convection
This discovery challenges long-held beliefs about mantle convection — the process by which heat and material move through the mantle, thought to mix and redistribute it over millions of years. If these LLSVPs are indeed billions of years old, as evidence suggests, they may prove that parts of the mantle remain static and untouched by these dynamic currents.
Such findings redefine our picture of the Earth’s interior and open avenues for further exploration into ancient geological processes. These vast structures, potentially remnants of Earth’s formative years, may hold secrets about the planet’s earliest evolution and tectonic activity.
What Does This Mean for Earth’s History?
If these hidden peaks have stood intact for billions of years, they could provide unmatched insights into Earth’s primordial state. Their chemical and mineral composition may contain traces of ancient material predating the planet’s modern configuration, offering clues about early conditions, like temperature and pressure, during the Earth’s formation.
Furthermore, the proximity of these LLSVPs to tectonic plate “graveyards” — zones where tectonic plates have sunk into the mantle via subduction — strengthens their significance. These regions are thought to contribute significantly to the heat and dynamics of Earth’s interior. However, their relationship with LLSVPs remains a topic of intense study.
Dr. Deuss speculated, “If structures – potentially billions of years old – have not been disrupted or moved by mantle convection, then it shows that it isn’t mixed at all.” This revelation redefines how geologists and seismologists perceive mantle processes and could inspire further investigation into Earth’s tectonic and volcanic activity.
The Role of Technology
Discovering such profound features of Earth’s interior would have been nearly impossible decades ago. Sophisticated seismic imaging and advances in earthquake monitoring have made it possible to detect and study subtle changes in shockwave behavior. These methodologies allow scientists to create a 3D map of structures deep beneath the surface, unlocking stories preserved for eons.
Deep-Earth research is still in its infancy, but the tools at scientists’ disposal continue to grow more powerful. Detailed observations of LLSVPs and their evolution could shape our understanding of Earth’s structure and dynamics in profound ways. Cutting-edge technologies like computer simulations and isotopic analyses will likely play a significant role in testing theories about the origin and stability of these structures.
The Future of Deep Earth Studies
While Mount Everest will always be a marvel for humanity to behold, discoveries like this remind us that Earth’s most incredible secrets often lie out of sight. These immense formations could redefine our understanding of planetary geology and its interplay with surface phenomena.
Geophysicists now face the tantalizing task of unlocking further mysteries hidden within the depths of the Earth. These colossal peaks — ancient, enigmatic, and extraordinary — are just the beginning of a chapter that could rewrite Earth’s geological history.
By continuing to study the Earth’s mantle and its enigmatic structures, such as the LLSVPs, humanity may one day grasp the forces that gave rise to life itself.