Geology

New research finds rainwater can penetrate below the Earth's upper crust

University of Southampton researchers have found that rainwater can penetrate below the Earth's fractured upper crust. Fluids derived from rainwater were found at the ductile crust - where temperatures of more than 300 C and high pressures cause rocks to flex

July 17, 2014

There may be a second massive ocean deep beneath the surface

Chemically bonded to minerals in the transition zone, Earth's mantle may be rather wet...  Deep within the Earth, staggering pressures mix with high temperatures to compact regular materials into exotic minerals. Under these extreme conditions,

March 15, 2014

Study reveals how dust inside faults may contribute to earthquakes

A new study looks at how powdery material inside faults may contribute to earthquakes. According to geologist Ze'ev Reches of the University of Oklahoma in Norman, US, the gradual buildup of stress in a fault as plates collide or slide past each other is

July 18, 2013

Large, distant earthquakes may cause smaller quakes at U.S. drilling sites

From the late 1960s until 2000, there were only 21 earthquakes a year with a magnitude greater than 3 in central and eastern United States. But from 2010-2012, the region experienced over 300. In a paper in Science, researchers think they may have

July 13, 2013

Touring the ocean bottom - Visualization of our planet without water features

The ocean is the most prominent feature on Earth, and of immeasurable importance to life on the planet. But what would it look like if all of the water was drained out of it?  Though ships have mapped only a small portion of the ocean floor, satellites are used

June 22, 2013

Old Faithful's hidden cavern discovered

A new study of the Yellowstone National Park geyser shows that the underground plumbing of the Old Faithful looks like a bagpipe. Scientists report, in study published online March 30, 2013 in the journal Geophysical Research Letters, that a big chamber is

April 23, 2013

New study could rewrite history of Auckland's volcanic field

A new study released in the Journal of Volcanology and Geothermal Research suggests that Rangitoto, a monogenetic shield volcano near Auckland, New Zealand, and other volcanoes in the Auckland Field might have been more active during the last few thousand years than

April 16, 2013

Ancient micro-continent found under the Indian Ocean

Scientists at the University of Liverpool have found evidence of an ancient micro-continent buried beneath the Indian Ocean which formed in the last 16 millions years. This ancient precambrian continent, named Mauritia, extends more than 1500 km in length from the

March 05, 2013

How thick is the crust beneath Antarctica?

A giant ice cap up to 3,800 meters (2,36 miles ) thick covers about 99 % of the Antarctic continent, and under the layer of frozen water lays continental crust. Researchers  analyzed seismic data from the South pole to create a new most detailed map showing the

January 29, 2013

Safeland project - Landslide reports

The EU-funded Safeland Project is a very large, multi-institution research programme designed to develop generic quantitative risk assessment and management tools and strategies for landslides at local, regional, European and societal scales and establish the

November 20, 2012

Louisiana sinkhole - Crude oil in cavern and sinkhole being removed, evacuation order remains

Texas Brine Co. of Houston began removing crude oil trapped in a failed company salt cavern inside the Napoleonville Dome in northern Assumption Parish, company and government officials said on Wednesday, October 17, 2012. The state Office of Conservation approved

October 17, 2012

Aeromagnetic survey of Long Valley and Mono Basin volcanic areas announced

USGS volcanologists and geophysicists plan to conduct the first comprehensive, high-resolution airborne magnetic survey of the rock layers under Mono Basin and Long Valley, on the east side of the Sierra Nevada in California next week.Residents and visitors should

October 15, 2012

New official image of Louisiana sinkhole shows significant growth - heavy odour reported

An new official map of the Louisiana sinkhole dimensions was uploaded to the Assumption Parish website on October 14, 2012:Red Line: August 19, 2012Green Line: September 21, 2012Blue Line: October 14, 2012Yellow line is oil boomThe original image can be

October 15, 2012

The "Sombrero uplift" - ground deformation detected in Altiplano–Puna volcanic province

In a study published today, October 12, 2012 in Science, scientists used radar data from the ESA's ERS and Envisat missions to study an unusual uplift near the Uturuncu volcano, which had been dormant for 270 000 years.Authors of the study led by Yuri Fialko have

October 12, 2012

Is Earth undergoing a true polar wander?

Scientist claim that true polar wander is happening now. True polar wander is a solid-body rotation of a planet with respect to its spin axis, causing the geographic locations of the North and South Poles to change, or

October 06, 2012

Open-source archive of active faults for northwest South America

The article titled "Open-source archive of active faults for northwest South America," by Gabriel Veloza and colleagues  introduces the "Active Tectonics of the Andes Database". It should provide more data to more geoscientists. Their work includes the locations and

October 03, 2012

“Global patterns of loss of life from landslides” by prof. Dave Petley (free download)

Dave Petley is the Wilson Professor of Hazard and Risk in the Department of Geography at Durham University in the UK. His blog provides a commentary on landslide events occurring worldwide, including the landslides themselves, latest research, and conferences and

October 01, 2012

Santorini volcanic island have risen 14 cm since January 2011

Scientists have discovered that the Greek Santorini island group has been inflating, slowly rising and moving outward, around a point just north of the Kameni islands. Despite being dormant for over half a century, satellites have detected slight

September 11, 2012

Earth 100 million years from now (video)

Earth's landmasses were not always what they are today. Continents formed as Earth's crustal plates shifted and collided over long periods of time. This video shows how today's continents are thought to have evolved over the last 600 million years, and where they'll

September 06, 2012

Elevated levels of radioactive elements found at Louisiana sinkhole site

Louisiana massive sinkhole gets bigger every day and gas bubbles have been located now in thirteen sites on the bayous around Ground Bayou. After a section of pipeline in the slurry area became bent, officials asked natural gas companies operating near the sinkhole to

August 25, 2012

Louisiana sinkhole - fears of radioactivity and gas explosion as sinkhole gets bigger

Boiling bubbles in the waters of Bayou Corne, in Assumption Parish, about 50 miles south of Baton Rouge in Louisiana, US, concerned residents in mid-May. Then, suddenly a massive sinkhole appeared on August 3. It forced the closure of nearby highway 70 after a gas

August 16, 2012

New mountain found on the ocean floor off the coast of Iceland

Multi-beam measurements on a mission of research vessel Arni Fridriksson earlier this summer revealed vast underwater mountain deep roots from the continental shelf of 120 nautical miles west of the peninsula. The unnamed mountain on the ocean floor off the west coast

August 13, 2012

Plate tectonics discovered on Mars

A UCLA scientist has discovered that the geological phenomenon known as "plate tectonics", which involves the movement of huge crustal plates beneath a planet's surface, also exists on Mars. An Yin, planetary geologist and a UCLA professor of Earth and space sciences

August 11, 2012

New study shows Cascadia Subduction Zone earthquake risk to be much higher than previously thought

America's Pacific Northwest has a 37% chance of being hit by a magnitude 8 or larger earthquake in the next 50 years, a new study shows. That's more than double previous estimates of a 10-15% risk. Great Subduction Zone earthquakes are the largest

August 08, 2012

Growth of Earth's inner core may be a precursor to the magnetic reversal

A new finding suggests that shifts in the geomagnetic field are connected to growth of the inner core. Peter Olson and Renaud Deguen of Johns Hopkins University in Baltimore, Maryland, used numerical modelling to establish that the axis of Earth's magnetic field

July 18, 2012

Can fracking contaminate drinking water?

Hydraulic fracturing uses pressurised fluid to crack open deep shale rocks to release the methane trapped within them. Geologists say this potentially harmful fluid is unlikely to percolate up through a few kilometres of rock to reach the shallow aquifers that supply

July 15, 2012

Residents of Assumption Parish (US) report earth tremors and venting streams of natural gas surfacing the waterways

Residents in a swampy area of northern Assumption Parish reported earth tremors as well as venting streams of natural gas roiling the surface of waterways for about a month. Residents reported tremors last month and again on Tuesday and Wednesday. Assumption Parish

July 09, 2012

Understanding earthquakes and tectonic tremors

Seismic stations worldwide are recording strong earthquakes on daily basis. Every month the earth is shaken by approximately 80,000 earthquakes, at a rate of 2 earthquakes a minute. There is an earthquake taking place somewhere right now.Within the last few years

July 08, 2012

Seattle fault can generate bigger earthquakes then previously thought

The Seattle Fault, a zone of east-west thrust faults under the Puget Sound and Seattle, last ruptured in a magnitude-7.0 to -7.5 earthquake about 1,100 years ago. It's due for another one, but scientists don't know when that might happen. However, they warn that an

June 30, 2012

Almost vanished Poplar Island is slowly reappearing

The crust under the Chesapeake Bay is sinking, while sea levels are rising. Made of clay and silt, the islands erode quickly, and many have disappeared altogether. Small islands were once a nesting  habitat for water birds and turtles, while the larger islands

June 30, 2012

Scientists found new primitive mineral in meteorite from beginning of Solar System

Scientists from the California Institute of Technology (Caltech) discovered a new mineral embedded in the space rock - one they believe to be among the oldest minerals formed in the solar system. A new mineral embedded in a meteorite that fell to Earth over 40 years

June 29, 2012

Supervolcano drilling - The Campi Flegrei Deep Drilling Project aproved

The office of Naples mayor Luigi de Magistris has approved the drilling of a pilot hole 500 meters deep into the heart of a “supervolcano” in southern Italy. With a history of massive volcanic eruptions and ongoing deformation, this densely urban area

June 01, 2012

Creeping quakes show that New Zealand's earthquake-prone landscape is even more unstable than previously thought

Researchers recorded New Zealand's deep tremors lasting up to 30 minutes on its biggest fault line - the Alpine Fault, which runs the length of the South Island. The quakes, which caused no surface damage, occurred 20-45 kilometres (12-28 miles) beneath the Earth's

May 23, 2012

A new massive fault line discovered beneath Mount Fuji

A recently finished three-year study from Japan has discovered a new fault line running beneath Mount Fuji, which towers 3,776-meter (12,385 feet) above sea level. Analysis done on the fault line by the University of Tokyo shows the potential for a magnitude 7.0

May 13, 2012

70 percent of beaches eroding on Hawaiian islands Kauai, Oahu, and Maui

An assessment of coastal change over the past century has found 70 percent of beaches on the islands of Kaua'i, O'ahu, and Maui are undergoing long-term erosion, according to a U.S. Geological Survey (USGS) and University of Hawai'i (UH) report. Scientists from the

May 11, 2012