Continental plate collisions usually result in the formation of mountains and mountain ranges due to the impact caused by the collision. (Photo: MARK RALSTON/AFP via Getty Images) How Hot Springs Helps Discover the Collision Point A previous crash recorded in the Converging Borders led to the formation of the Himalayan …
Read More »Seismic Study Reveals Main Reason Patagonia Is Rising With Melting Glaciers
The ice fields that stretch for hundreds of kilometers atop the Andes Mountains in Chile and Argentina are melting at some of the fastest rates on the planet. The ground that was under this ice also shifts and rises as these glaciers disappear. Geologists have discovered a link between recent …
Read More »Plate tectonics could be the source of all life on Earth (and on alien planets too)
Plate tectonic activity has been blamed for major earthquakes and tsunamis since the idea, first put forward in 1912 by meteorologist Alfred Wegener, has existed. Subduction forces obliterated entire continents during the 3.2 billion years that plate tectonics occurred on our 4.5 billion year old Earth. The planet’s crust is …
Read More »Scientists use satellites to observe the Earth
Interior structure of the Earth. Getty By combining data on gravity, chemistry and how seismic waves are reflected and scattered deep within the Earth, an international group of scientists affiliated with the European Space Agency (ESA) have created a model of Earth’s lithosphere , showing how cold and hot rock …
Read More »The attraction of the Sun and the Moon could move the tectonic plates
What causes lava to spurt from volcanoes in plumes of liquid fire or cause the ground to shake as if the world were ending? Tectonic plates. What causes plate tectonics? Not so fast. Until now, the answer was thought to be unrest in the Earth’s mantle. Under intense heat and …
Read More »When two plates slide on top of each other
Through Robert Hazen, Ph.D., George Mason University Tectonic plates are large chunks of the lithosphere – about 50 or 100 kilometers thick, but thousands of kilometers in diameter – and lithospheric plates are displaced when they straddle the asthenosphere, which is mobile and moving. Transformation boundaries are a kind of …
Read More »USGS raises volcanic alert level
View of the Davidof volcano captured in 2005. Image: CA Neal / AVO / USGS Due to the possibility of volcanic unrest, the United States Geological Survey (USGS) and its Alaska Volcano Observatory (AVO) have increased the warning level and color code to YELLOW / ADVISORY at Davidof Volcano in …
Read More »Strange ‘eggshell’ exoplanets could have ultra-smooth surfaces
Weird, newly theorized “eggshell planets” may possess ultra-thin outer layers with ultra-smooth surfaces unlike those seen in any world to date, a new study reports. Astronomers may have already detected at least three eggshell planets, the scientists noted. In the past 25 years or so, astronomers have confirmed the existence …
Read More »How astronomers reconstruct the surfaces of invisible alien worlds
The Universe is filled with planets. Astronomers have so far confirmed more than 4,500 worlds, of which more than 1,500 are rocky terrestrial planets. Within our solar system, the rocky planets – Mercury, Venus, Earth, and Mars – are very different from each other. But once you start looking at …
Read More »A UoH professor selected for the SGAT 2021 award of excellence
Hyderabad: The Society of Geoscientists and Allied Technologists (SGAT) selected Dr KS Krishna, professor of geophysics and director of the Center for Earth, Ocean and Atmospheric Sciences at the School of Physics, University of Hyderabad for the prize of excellence SGAT 2021. SGAT is based in Bhubaneswar and is dedicated …
Read More »Here is – the foldability of tectonic plates
A new study presents a new way for tectonic plates – massive plates of rock that jostle to position themselves in the earth’s crust and upper mantle – to bend and sink. It’s a bit of planetary Pilates that could solve the long-standing mystery of “subduction,” the process by which …
Read More »Eggshell exoplanets: rocky worlds with ultra-thin brittle lithospheres could theoretically exist
The thickness of the fragile lithosphere – the outer part of a planetary body that fails by fracturing – plays a key role in the geological processes of that body. The properties of a planet and its host star can influence this thickness, and the potential range of these properties …
Read More »Earth’s crust was ‘hot and thin’ across ‘boring billion’, study found
It seems that the “boring billion” – a period in Earth’s history between 1,850 million and 850 million years ago – wasn’t so boring after all. Geologists have found that our planet’s crust is “hot and thin” throughout the period, measuring only 25 miles (40 km) or less. Today, under …
Read More »Earth factories creating elements from nuclear transmutation
Cross section of the Earth’s interior: crust, upper and lower mantle, and outer and inner nuclei. Credit: Mikio Fukuhara, Alexander Yoshino and Nobuhisa Fujima Rather than being created only during supernova explosions, chemical elements could also be produced deep within the Earth’s lower mantle. It has long been theorized that …
Read More »Challenging the Big Bang puzzle of the heavy comp
image: Cross section of the Earth’s interior: crust, upper and lower mantle, and outer and inner nuclei. seen Following Credit: Mikio Fukuhara, Alexander Yoshino and Nobuhisa Fujima WASHINGTON, October 12, 2021 – It has long been theorized that hydrogen, helium, and lithium were the only chemical elements that existed during …
Read More »Rather than being created only in supernova explosions, chemical elements could also be produced deep within the Earth’s lower mantle – ScienceDaily
It has long been theorized that hydrogen, helium, and lithium were the only chemical elements existing during the Big Bang when the universe formed, and that supernova explosions, stars exploding at the end of their life. life, are responsible for transmuting these elements into heavier ones. and distribute them throughout …
Read More »The USGS reports 4 American volcanoes with the YELLOW code; 3 with the ORANGE code
Cleveland Volcano is showing signs of unrest. Image: Max Kaufman / Alaska Volcano Observatory / University of Alaska Fairbanks, Geophysical Institute The USGS reports “high” activity on 7 different volcanoes around the United States that it observes, with three at increased ORANGE / WATCH and four at YELLOW / ADVISORY. …
Read More »Authorities issue red alert for US volcano due to impending explosions
The sight of the disastrous new volcanic eruption of La Palma in the Canary Islands grabs the attention of viewers around the world, as it unfolds, a volcano closer to the residential area in the United States erupts with new activity , forcing officials to raise a RED alert level. …
Read More »Red alert issued for the American volcano; Imminent explosions
View of the eastern cone of Mount Cerberus in the Semisopochnoi caldera. Image: USGS / AVO / CA Neal As images of the new destructive volcanic eruption of La Palma in the Canary Islands captivate viewers around the world, a volcano closer to home in the United States is also …
Read More »Mercury’s mantle goes with the flow
As the smallest of the terrestrial planets in our solar system, Mercury has much to teach us about the evolution of small rocky planets. Unlike Earth, whose tough outer layer, the lithosphere, is divided into a mosaic of plates that move relative to each other, Mercury is a single-plate planet. …
Read More »The slow carbon cycle, sink and waste | Clubs And Organizations
Dive into the slow carbon cycle! Fluxes include: respiration and photosynthesis (between the biosphere, hydrosphere and atmosphere), sedimentation and metamorphosis (between the biosphere and lithosphere), weathering, erosion, volcanism and combustion of fossil fuels (between the lithosphere and the atmosphere), dissolution and degassing (between the hydrosphere and the atmosphere), and precipitation, …
Read More »Earth is still evolving, this is what it might look like in the future
The Earth has evolved over millions of years with tectonic plates changing the face of the planet from time to time. Shattering the Pangea supercontinent, these tectonic plates organized the Earth’s surface into seven continents and five oceans. Scientists say these tectonic plates are not yet complete and the Earth …
Read More »UNM Researcher Receives NSF Grants to Study Effects of Magma on Continental Plates: UNM Newsroom
Mousumi Roy, Lecturer of the Regents and Associate Professor in the Department of Physics and Astronomy at the University of New Mexico, recently received two National Science Foundation Fellowships, including a Mid-Career Advancement Fellowship for her work. on the impact of the movement of magma on the continental plates. Mousumi …
Read More »Deepest diamonds on Earth are made up of ancient organisms, study finds
The deepest and most wanted diamonds on Earth are made up of ancient living organisms, according to a new study. Ultra-rare “ultra-deep continental diamonds” have isotope levels of carbon that suggest they are formed from organic matter, Australian researchers reveal. These ultra-deep diamonds, which adorn the crown jewels, form more …
Read More »USGS busy with new volcanic activity on 6 volcanoes in the United States
Pavlof volcano, seen from the southwest. In the background is the Pavlof Sister. Image: David Fee / Alaska Volcano Observatory / University of Fairbanks, Geophysical Institute The USGS has issued an ORANGE code and a WATCH alert for three volcanoes and a YELLOW code and ADVISORY alert for three volcanoes …
Read More »Earthquakes reveal the planetary core | SETI Institute
It has been an exciting week in the world of space science, with the publication of some groundbreaking stories. Let’s look at the results of three separate articles published this week in the journal. Science on the structure of Mars. The teams involved analyzed the data from NASA InSight lander. …
Read More »USGS increases alert level for volcano: ORANGE / WATCH
View of the eastern cone of Mount Cerberus in the Semisopochnoi caldera. Image: USGS / AVO / CA Neal Scientists from the USGS and the Alaska Volcano Observatory (AVO) have raised the volcanic alert level of the Semisopochnoi volcano, showing a new period of unrest. According to the AVO, “a …
Read More »Broken Venus crust? Large boulders moving like sea ice seen on a planet showing evidence of geological activity
Venus is the second closest planet to the Sun. Recently, scientists have taken a great interest in Venus for its potential to support life. Although this planet is far from terrestrial today, scientists have found that its crust is cracked. Scientists at North Carolina State University (NCSU) have provided evidence …
Read More »Venus’s surface tectonics look more like ice floes on Earth
The planets move in mysterious ways. Or at least their surfaces do. The Earth has a tectonic plate system that drives the movement of its crust. This plate tectonics is ultimately driven by the flow of matter in the mantle – the layer directly below the crust. Now scientists have …
Read More »Venus’s cracked surface behaves like sea ice
The Magellan spacecraft captured this radar view of Venus, showing the largest dark red tectonic block in the center, which is roughly the size of Alaska. The lighter colors around the block are warps and ridges. Image via NASA-JPL / Paul Byrne / NCSU. Cracked surface of Venus Venus is …
Read More »The surface of Venus could be shattered into pieces
No other solid body in the solar system has an Earth-like crust. From Mercury to Mars, passing through many moons, most worlds have a one-piece crust. Rather, our planet has tectonics, large plates moving across the molten upper mantle. Another exception to the one-piece surface could be Venus, new evidence …
Read More »USGS lifts yellow warning on 6 active volcanoes in US for ‘high unrest’
the USGS issued code yellow and advisory for six volcanoes everywhere in the country they watch; the USGS says these volcanoes “show evidence of increased disturbance beyond known background levels.” Mauna Loa, the world’s largest active volcano, and Kilauea, Great Sitkin, Gareloi, Semisopochnoi and Cleveland are among the six volcanoes …
Read More »USGS issued a yellow advisory for 6 U.S. volcanoes today
The Gareloi stratovolcano is the westernmost volcano in the United States. Image: USGS / McGimsey RG The USGS has issued a code yellow and advisory alert for six volcanoes they are tracking across the country; The USGS says these volcanoes “are showing signs of elevated unrest above known background level.” …
Read More »The active surface of Venus examined
Credit: NC State University, based on original NASA / JPL images Despite their close similarities in terms of mass and composition, Earth and Venus have evolved differently, at least for the past 0.5 to 1 billion years. On the one hand, an uncontrollable greenhouse effect on Venus produced an average …
Read More »Tectonic movements over Venus suggest hell planet may still be geologically alive | The Weather Channel – Articles de The Weather Channel
This image is a composite of data from NASA’s Magellan spacecraft and Pioneer Venus Orbiter. (NASA / JPL-Caltech) Venus, the “lost habitable” world of our solar system, is now considered a dead planet surrounded by a highly toxic environment. But in 2020, Venus hit the headlines after the detection of …
Read More »“Ice floe” tectonics reveal the geological secrets of Venus – sciencedaily
A new analysis of the surface of Venus shows signs of tectonic movement in the form of crustal blocks that have jostled against each other like shattered pieces of ice floe. The movement of these blocks could indicate that Venus is still geologically active, and give scientists insight into both …
Read More »“Ice floe” tectonics reveal the geological secrets of Venus
A new analysis of the surface of Venus shows signs of tectonic movement in the form of crustal blocks that have jostled against each other like shattered pieces of ice floe. The movement of these blocks could indicate that Venus is still geologically active, and give scientists insight into both …
Read More »Earthquakes shake the Caribbean; New volcanic eruption possible
A series of earthquakes rocked the Caribbean today, with each epicenter marked with an orange or red dot. The red star marks the spot where a new volcanic eruption could occur in the coming days or weeks. Image: USGS A series of earthquakes rocked the Caribbean today and scientists fear …
Read More »A moderate earthquake shakes the North Atlantic; No threat of tsunami
An earthquake hit the North Atlantic. Image: USGS USGS reports that a moderate earthquake struck under the North Atlantic Ocean; fortunately, there is no threat of a tsunami at this time of this earthquake along the east coast of the United States or in Europe. The 4.9 earthquake struck along …
Read More »NASA to send 2 probes to Venus for the first time in decades
This site can earn affiliate commissions from the links on this page. Terms of use. NASA has announced the winner of a competition to determine targets for a new round of exploration missions. The space exploration agency has opted for a pair of missions to Venus, the first for NASA …
Read More »Three moderate earthquakes hit the north of the Mid-Atlantic Ridge; No threat of tsunami
Memorial Day started with 3 moderate earthquakes along the Mid-Atlantic Ridge. Image: USGS Three moderate earthquakes rocked the northern Mid-Atlantic Ridge in the central Atlantic Ocean early this morning. The first was a 5.0 magnitude earthquake followed by a 4.8 5 minutes later. The last one, a 4.7, hit 35 …
Read More »New study finds high levels of mercury in the Pacific Ocean
© Merveilleuse Nature Scientists say mercury levels in the Pacific Ocean are even higher than some places directly contaminated with the toxic chemical The amount of mercury that has been found in this area is actually After than ever recorded in the ocean. It is even higher than in many …
Read More »Mercury levels found in remote Pacific trenches are unprecedented • Earth.com
An international team of researchers has discovered amounts of highly toxic mercury in the deepest trenches of the Pacific Ocean that exceed any value ever recorded in distant marine sediments. Experts report that the mercury levels that have accumulated in the remote Pacific are even higher than in many areas …
Read More »Alarm over unprecedented accumulation of mercury in Pacific Ocean trenches – Eurasia Review
A scientific article recently published in Nature Publishing’s Scientific reports The newspaper found unprecedented amounts of highly toxic mercury being deposited in the deepest trenches in the Pacific Ocean. The study, a multinational effort involving scientists from Denmark, Canada, Germany and Japan, reports the first-ever direct measurements of mercury deposition …
Read More »Scientists are sounding the alarm over unprecedented buildup of mercury in Pacific Ocean trenches
PICTURE: On board the German research vessel Sonne off the coast of Chile, ready to take samples at a depth of 8 kilometers within the view of the Atacama trench system After Credit: Anni Glud, SDU A scientific article recently published in Nature Publishing’s Scientific reports The newspaper found unprecedented …
Read More »What is plate tectonics? | Tectonic plates
From the deepest ocean trench to the highest mountain, plate tectonics explains the characteristics and movement of the Earth’s surface in the present and the past. Developed from the 1950s to the 1970s, the theory of plate tectonics is the modern update of continental drift, an idea first proposed by …
Read More »Synchrotron x-ray experiment reveals little boost with big consequences – sciencedaily
QUT researchers used experimental x-ray techniques at the Australian synchrotron to gain fundamental insight into how gypsum dehydrates under pressure and the processes that create earthquakes. In the study published in the journal Nature Research Communication media, QUT researchers Dr Christoph Schrank, Dr Oliver Gaede, School of Earth and Atmospheric …
Read More »X-ray synchrotron experiment reveals little boost with big consequences
QUT researchers used experimental x-ray techniques at the Australian synchrotron to gain fundamental insight into how gypsum dehydrates under pressure and the processes that create earthquakes. In the study published in the journal Nature Research Communication media, QUT Researchers Dr Christoph Schrank, Dr Oliver Gaede, from School of Earth and …
Read More »Strong 5.0 Earthquake Rocks North of the Mid-Atlantic Ridge
The 5.0 earthquake struck along the Mid-Atlantic Ridge a short time ago. Image: USGS A strong 5.0 earthquake rocked the northern ridge of the mid-Atlantic this evening; fortunately, it was not strong enough to create a tsunami in the Atlantic Ocean. According to the USGS, the earthquake struck at 9:01 …
Read More »USGS triggers volcanic alert with explosion signals detected
View of the eastern cone of Mount Cerberus in the Semisopochnoi caldera. Image: USGS / AVO / CA Neal Due to the low-level volcanic ash emissions and detection of explosion signals, scientists at the USGS Alaska Volcano Observatory (AVO) have improved the color coding and alert level of the Semisopochnoi …
Read More »Small volcanoes are a big deal on Mars
Life may be at the center of exploration of Mars today, but our planetary neighbor is home to the largest volcanoes in the solar system. Olympus Mons towers 23 kilometers (75,000 feet) above the surrounding landscape, and its neighbors, the Tharsis Montes (Arsia Mons, Pavonis Mons and Ascraeus Mons), stand …
Read More »Biblical find: “Marine fossils” found at the top of Mount Everest “could be evidence of a flood” | Weird | New
Noah’s Ark: Ship Remains FOUND on Mount Ararat The account of the Flood is found in chapters 6 through 9 of the book of Genesis and the story tells of God’s decision to return the Earth to its pre-creation state of aquatic chaos. It is said that Noah and his …
Read More »Planet Earth – WorldAtlas
The Earth is a celestial object and one of the components of the solar system. It is the third planet from the Sun, and the only celestial object capable of supporting life. Earth is the 6th largest object in the solar system, with an average radius of 6,371 kilometers, and …
Read More »Meteorite impacts may have triggered an ancient subduction
Meteorite impacts may have triggered an ancient subduction by Sarah Derouin Thursday February 15th, 2018 The frequent impacts of large meteorites during the Hadean Aeon may have caused temporary episodes of subduction and active plate tectonics on Earth. Credit: Conceptual Imagery Lab at NASA’s Goddard Space Flight Center. The Earth …
Read More »Meteorites may have created Earth’s first continents
Meteorites may have created Earth’s first continents by Timothy Oleson Wednesday December 23rd, 2015 Earth and Venus were probably much more tectonically similar billions of years ago, when massive impact meteorites could have triggered the creation of an early continental crust, according to a new study. Credit: VL Hansen, Lithosphere, …
Read More »Climate change can make earthquakes react even to changes in precipitation, know how!
Of all the events that could be related to climate change or its followers, the recent earthquake in Taiwan was discovered due to seasonal variations in the water cycle. Taiwan faces both: frequent disastrous earthquakes because it is close to Pacific Ring of Fire. He is the witness of a …
Read More »5.1 Quake Rattles Atlantic; No threat of tsunami
The strong earthquake was located near the equator in the Atlantic Ocean. Image: USGS A magnitude 5.1 earthquake struck a few moments ago under the central Atlantic Ocean; fortunately, there is no threat of a tsunami. The strong earthquake took place at an epicenter about 6 miles deep, located at …
Read More »Semi-brittle seismic deformation in the high temperature mantle mylonite shear zone along the Romanche transform fault
Abstract Ocean transformation faults, a key component of plate tectonics, represent first-order discontinuities along mid-ocean ridges, host large earthquakes, and induce extreme thermal gradients in the lithosphere. However, the thermal structure along transformation faults and its effects on generating earthquakes are poorly understood. We report here the presence of a …
Read More »They discover a powerful “river of stones” under the Caribbean Sea
Ursula Pamela Garcia 1 hour ago 4 minutes Geologists have found that plate tectonics move through a warmer, softer substrate called the hydrosphere. Credit: UH. Geologists have long believed that tectonic plates move because they are pulled down due to their weight and that a softer, warmer substrate is called …
Read More »Gravity Explorer mission still unearths secrets hidden on our planet
The new model produced in ESA’s 3D Earth study shows for the first time how different the sub-lithospheric mantle is under different oceans, and provides insight into how the morphology and rates of ridge propagation Mid-ocean can be related to the deep chemical and thermal structure. Credit: ESA / Planetary …
Read More »Aging satellite reveals Earth’s inner structure
The European Space Agency’s GOCE mission ended more than seven years ago, but scientists are still discovering substantial discoveries from gravity data from the retired satellite – allowing us to dive deep into the interior of the Earth and learn what makes him tick. Scientists have combined GOCE data with …
Read More »A New Understanding of the Mid-Atlantic Ridge and Plate Tectonics
Geologists have long believed that mid-ocean ridges are relatively passive participants in plate tectonics. But a new study shows there may be more activity below the Mid-Atlantic Equatorial Ridge. The study, published in Nature, suggests that below the ridge, the upwelling of a Thin Mantle Transition Zone (MTZ) could cause …
Read More »Testing the hypothesis of a 3 billion year old impact structure in West Greenland
Credit: Yakymchuk et al., 2021. Understanding the history of impacts of asteroids on Earth is important, as large impacts play a critical role in the evolution of Earth’s natural systems such as its atmosphere, biosphere, and hydrosphere. Unfortunately, there is very little evidence of impacts from the beginning of Earth’s …
Read More »What subduction teaches about smart design
Photo credit: USGS via Unsplash. My doctoral research focused on the tectonic history of early plates on Earth. Plate tectonics involves the movement of plates on the earth’s surface. It is believed to be driven by subduction, where one plate plunges into the mantle under another plate. Typically, this involves …
Read More »New video shows the movement of Earth’s tectonic plates over the past billions of years
An international team of geoscientists created the first continuous full-plate model with evolving plate boundaries stretching from a billion years ago to the present day. Plate tectonics is a unifying theory of modern geology, explicitly linking evolution and the processes that link the Earth’s mantle, lithosphere, hydrosphere and atmosphere. Tectonic …
Read More »