Earth's system 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...

Jan242025 by Editor DeskNo Comments

Earthquakes in Ethiopia’s Afar and Oromia Raise Fears of Volcanic Eruptions Amid Widespread Evacuations

Breaking News, Disasters

Since the start of 2025, Ethiopia's Afar and Oromia regions have been rocked by a series of earthquakes, the strongest measuring 5.7 in magnitude on January 4. The quake's epicenter, 142 km east of Addis Ababa, followed a 5.5-magnitude tremor the previous day. Over the weekend of January 11, two more significant quakes were reported, heightening concerns of further seismic and volcanic activity. The Ethiopian Disaster Risk Management Council has responded by relocating approximately 60,000 residents to temporary shelters to safeguard lives. The tremors have also sparked fears of potential eruptions at the Fentale and Dofen volcanoes, both located near the quake zones. Unusual Seismic Activity Linked to Magma Movement The current spate of earthquakes is attributed to magmatic activ...

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 ...

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 ...

Aug52024 by Editor DeskNo Comments

When Wildfires Create Their Own Weather: Understanding Extreme Fire Situations

Breaking News, Disasters

Wildfires are becoming increasingly destructive, and in some cases, they can become so intense that they create their own weather systems. This phenomenon, seen in the massive Park Fire near Chico, California, in summer 2024, highlights the complex interplay between wildfires and atmospheric conditions. Here's a detailed look at how wildfires can influence weather and the implications of these extreme fire events. Wildfires can start with a simple spark, ignited by lightning or a downed power line, and quickly spread in hot, dry, and windy conditions. As vegetation burns, it releases a significant amount of heat, which causes the air near the ground to rise rapidly. This rising hot air, much like a hot air balloon, creates its own wind patterns as cooler air rushes in to replace it. ...