Earth Sciences Archives - Disasters News

Feb152025 by Editor DeskNo Comments

Earth’s Magnetic North Pole Continues Its Drift Toward Siberia: How This Ongoing Shift Could Impact Global Navigation and Technology

Breaking News, Environment, Fact Check, Learning & Developments

Earth’s magnetic north pole has moved again, drawing closer to Siberia, according to the latest update of the World Magnetic Model (WMM). This shift could have significant implications for global navigation systems, including those used by commercial aviation and GPS devices. Unlike the fixed geographic North Pole, magnetic north is influenced by the turbulent movement of molten iron in Earth’s core. The pole has been drifting for centuries, but its speed increased dramatically in the 1990s, reaching a peak of 34.2 miles (55 km) per year before slowing to around 21.7 miles (35 km) per year by 2015. The WMM, updated every five years, ensures accurate navigation for planes, ships, and military operations. If updates are delayed, navigation errors could occur. Dr. Arnaud Chulliat, a sen...

Jan312025 by Editor DeskNo Comments

Earth Sixth Ocean in the Making Africa’s Dramatic Rift Signals a New Era

Breaking News, Environment, Fact Check

A stunning geological event unfolding in East Africa could forever reshape the continent and the world. The East African Rift, a massive crack running through Ethiopia and beyond, is not just a scientific curiosity; it marks the early stages of a process that will eventually split Africa in two, creating a brand-new ocean. A Rift That Could Change the World Since 2005, a 35-mile-long fissure has been expanding across Ethiopia’s deserts. Scientists confirm that this rift is caused by the slow but powerful movement of tectonic plates, the enormous slabs of Earth’s crust that have shaped the planet for billions of years. The Somalian plate is gradually drifting away from the larger Nubian plate at a rate of a few millimeters per year minuscule shift in human terms, but a monumental for...

Jan162025 by Editor DeskNo Comments

Beneath the Himalayas Mysteries of the Indian Plate’s Hidden Dynamics

Breaking News, Fact Check, Learning & Developments

For millions of years, the Himalayas have stood as a testament to the Earth’s geological power, their towering peaks born from the relentless collision of tectonic plates. But while these majestic mountains capture the imagination, the story beneath their surface is even more compelling. Scientists are now uncovering clues that shed light on the hidden movements of the Indian Plate, revealing processes that challenge long-held beliefs about how continents behave during collisions. The Indian Plate and the Eurasian Plate have been in a slow-motion clash for over 60 million years, a collision that not only gave rise to the Himalayas but also set into motion a series of enigmatic processes deep within the Earth. Unlike dense oceanic plates, which readily subduct into the mantle, continenta...

Jan102025 by Editor DeskNo Comments

Researchers Reveal Ancient Hotspot Shaped Formation of Great Lakes

Breaking News, Climate Actions, Environment, Learning & Developments

New evidence suggests that the Great Lakes owe their extraordinary size and depth not just to Ice Age glacial activity but also to ancient geological processes. A study published in Geophysical Research Letters highlights the role of a geographic hotspot that interacted with the Earth's lithosphere millions of years ago, reshaping our understanding of these iconic water bodies' origins. As the ancient supercontinent Pangea drifted over the hotspot, the Earth's lithosphere thinned. This thinning made the region's crust more fragile and susceptible to deformation, paving the way for significant geological transformations over time. Seismic Wave Analysis Confirms Deformation Seismic wave data provided key evidence for the hotspot's role. Unusual horizontal wave movements beneath ...

Jan72025 by Editor DeskNo Comments

Powerful 7.1-Magnitude Earthquake Strikes Tibet, Claims 32 Lives

Breaking News, Disasters

A devastating earthquake of magnitude 7.1 struck Tibet near the Nepalese border early this morning, leaving 32 people dead, Chinese media outlet Xinhua reported via AFP. The tremors were felt across several regions, including parts of India such as Bihar, Assam, and West Bengal, sending shockwaves of concern through affected areas. The earthquake occurred at 6:35 am, according to the National Centre for Seismology (NCS), and was followed by two aftershocks. The first aftershock, measuring 4.7 in magnitude, was recorded at 7:02 am at a depth of 10 km. The second, a 4.9-magnitude tremor, struck at 7:07 am at a depth of 30 km. In Bihar, residents were seen rushing out of their homes and apartments as the tremors shook the region. While no damage to property has been reported in India, t...

Dec242024 by Editor DeskNo Comments

Astronomers Discover Universe’s Largest Water Reservoir in Distant Quasar

Breaking News, Learning & Developments, Space

Astronomers have identified an enormous water reservoir surrounding a quasar located over 12 billion light-years away, offering a glimpse into the universe’s distant past. This quasar, APM 08279+5255, is powered by a supermassive black hole approximately 20 billion times the mass of the Sun and emits energy equivalent to a thousand trillion suns. The discovery reveals an astonishing 140 trillion times the volume of Earth’s oceans in water vapour, making it the largest and farthest known water source in the universe. The quasar’s environment is highly unique, with a mix of hydrogen-rich gases like water vapour and carbon monoxide forming a region spanning hundreds of light-years. Despite the gases being sparse compared to Earth’s atmosphere, they are remarkably warm and dense for such...

Dec242024 by Editor DeskNo Comments

Melting Glaciers Linked to Increased Earthquake Activity in Colorado’s Sangre de Cristo Mountains

Breaking News, Disasters, Environment

Southern Colorado’s Sangre de Cristo Mountains, known for their dramatic rise from the flat San Luis Valley, have long been shaped by tectonic activity and glacial forces. Now, a groundbreaking study in Geology suggests that the melting of alpine glaciers thousands of years ago may have significantly increased earthquake frequency in the region by relieving pressure on the underlying fault system. The research connects Earth’s changing climate to tectonic movements, a rare link that sheds light on how warming temperatures like those seen today might trigger fault activity. “Areas where glaciers are retreating or where hydrologic changes occur over active faults could experience elevated earthquake activity,” explained study co-author Sean Gallen, a geologist at Colorado State University...

Dec232024 by Editor DeskNo Comments

Wobbly Earth Shifts in Molten Core Could Be Altering Day-Length Fluctuations

Breaking News, Environment, Learning & Developments

Earth's day-night cycle, defined as a precise 24-hour period, serves as the cornerstone of our daily routines. Yet, the reality of our planet's rotation is far from precise. As Earth hurtles around the Sun at a staggering 107,000 kilometers per hour (67,000 miles per hour), its wobbly, molten interior and interactions with the Moon introduce subtle irregularities to the planet's rotation. Decoding Earth's Wobbly Spin While many short-term fluctuations in Earth's day-length have well-known causes such as the Moon's gravitational pull and shifting water volumes geophysicists have observed minute variations over millennial timescales that remain enigmatic. These fluctuations, amounting to just 3 to 4 milliseconds every thousand years, have perplexed scientists for decades. A team of ...

Dec212024 by Editor DeskNo Comments

NASA Juno Uncovers the Secret of Io Volcanic Activity

Breaking News, Environment, Learning & Developments

NASA’s Juno mission has resolved a 44-year-old mystery about Io, Jupiter’s fiery moon. New research reveals that each of Io’s volcanoes is powered by its own localized magma chamber, dismissing the long-held theory of a global magma ocean beneath the moon's surface. The groundbreaking discovery was unveiled in a study published in Nature on December 12 and was also a highlight of the American Geophysical Union’s annual meeting in Washington. The finding deepens our understanding of Io, the most volcanically active body in the solar system, and its role in planetary science. Io, about the size of Earth’s Moon, hosts over 400 volcanoes that constantly spew lava and gas. While the moon was discovered by Galileo Galilei in 1610, its volcanic activity wasn’t observed until 1979, when NASA...

Nov212024 by Editor DeskNo Comments

Sawmill Sink: A Time Capsule of The Bahamas’ Ancient Past

Breaking News, Environment, Learning & Developments

Nestled on Great Abaco Island in The Bahamas, Sawmill Sink a mysterious blue hole has revealed an extraordinary trove of fossils that shed light on the island’s ancient history. For over a decade, beginning in 2005, researchers plunged into the perilous depths of this natural wonder, uncovering secrets from a world long vanished. "This was probably the most important site I'd ever had a chance to get involved with," said David Steadman, curator emeritus at the Florida Museum of Natural History. However, these groundbreaking explorations came to a halt five years ago when a devastating hurricane wreaked havoc on Great Abaco, disrupting the fossil collection efforts and leaving the remaining treasures submerged, possibly forever. Formation of Sawmill Sink Sawmill Sink, like other...