geologyMcAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams

Geology News
Volcanoes Current Events

What Causes A Blood Moon?
April 20, 2014 | National Science Foundation

A short post on the National Science Foundation website explains what causes the red color of a blood moon and why the color varies from eclipse to eclipse.

Will Yellowstone Erupt in Our Lifetime?
April 10, 2014 | National Science Foundation

“Yellowstone is like a conveyer belt of caldera clusters,” he says. “By investigating the patterns of behavior in two previously completed caldera cycles, we can suggest that the current activity of Yellowstone is on the dying cycle.”

Related: The Volcano Beneath Yellowstone

Volcano Report for Peru and Chile
April 6, 2014 | Eruptions Blog

Erik Klemetti posts an update on recent activity at Ubinas Volcano in Peru. In addition, some people have expressed concern about the recent magnitude 8.2 earthquake triggering an eruption at one of several nearby volcanos, Erik comments on these concerns plus, in another post, on the recent earthquake at Yellowstone.

USGS photo from the 2006 eruption.
Activity at Tungurahua
April 6, 2014 | Sidney Mornig Herald

Tungurahua Volcano in Ecuador has been active since February, producing explosions and columns of ash.

In 2006 six people were killed and a village was destroyed by the volcano.

Restricting the Right to Build?
April 3, 2014 | New York Times

An article in the New York Times explores the idea that governments should have the ability to restrict building construction in areas subject to geologic hazards.

Eruption At Hekla?
March 23, 2014 | Eruptions Blog

Hekla is a volcano in southern Iceland that has erupted many times, most recently in 2000, 1991, 1981, 1980 and 1970. GPS and strain measurements there have gotten the attention of volcano watchers.

Drone Video of Eruptions at Yasur Volcano – Vanuatu
March 18, 2014 |

Shaun O’Callaghan posted a very interesting video of small eruptions at Yasur Volcano on Tanna island, Vanuatu in the South Pacific that was filmed from a drone.

Volcanoes Helped Species Survive Ice Ages
March 18, 2014 | The Australian National University

“The steam and heat from volcanoes and heated rocks allowed many species of plants and animals to survive past ice ages.” Quoted from The Australian National University press release.

Geothermal Experiments at Newberry Volcano
March 11, 2014 | Oregon Public Broadcasting

For over one year a company has been conducting geothermal experiments at Newberry National Volcanic Monument in Central Oregon. This article announces the public comment period and gives a short report on the results to date.

Pyroclastic Flows and Tornadoes at Sinabung?
March 6, 2014 | Photovolcanica

“The pyroclastic flow deposits red-hot material on the slope of the volcano. After a few minutes, air heated by the deposit establishes a convective regime and due to the speed of the rising air a series of small tornadoes are formed.” Quoted from the Photovolcanica video release.

What is a Maar?
March 6, 2014 |

Maars are the second most common volcanic feature on Earth.

The largest maars are found on the Seward Peninsula of Alaska. Do you know what they are and how they form?

Pompeii: Quick Movie Review
March 2, 2014 | MagmaCumLaude

Volcanologist (who has a background in archaeology), Jessica Ball, has posted a quick review of “Pompeii”. She considers how the filmmakers struck a balance between making an interesting movie and keeping with the scientific and historical accuracy of the eruption.

Related: Mount Vesuvius

Volcanic Lightning
February 25, 2014 | MagmaCumLaude

Jessica Ball has a post titled: “Volcanic lightning in the lab and in the ‘wild’“. The “in the lab” part of the post explains how the lightning might be formed.

Related: Brentwood Higman describes volcanic lightning at Redoubt

So, You Think Yellowstone Is About to Erupt
February 18, 2014 | Wired

Erik Klemetti, author of the Eruptions blog has an interesting article titled: “So, You Think Yellowstone Is About to Erupt“.

Related: The Volcano Beneath Yellowstone

Calderas on the Chiltepe Peninsula
February 18, 2014 | NASA Earth Observatory

The Chiltepe Peninsula extends into the waters of Lake Managua, Nicaragua. It is part of an ignimbrite shield with two calderas produced from the ejecta of numerous volcanic eruptions.

Surprise Eruptions from Dormant Volcanoes??
February 18, 2014 | Oregon State University

“A new study suggests that the magma sitting 4-5 kilometers beneath the surface of Oregon’s Mount Hood has been stored in near-solid conditions for thousands of years, but that the time it takes to liquefy and potentially erupt is surprisingly short – perhaps as little as a couple of months.” Quoted from the Oregon State University press release.

Underwater Eruption from Space
February 16, 2014 | NASA Earth Observatory

“Kavachi is an undersea volcano on the southern edge of the Solomon Islands in the western Pacific Ocean. It erupted dozens of times in the 20th century, often breaking the water surface, only to be eroded back below the water line within a few months.” Satellite view from NASA Earth Observatory.

Blue Flames at an Indonesian Volcano
February 16, 2014 | National Geographic

National Geographic has an article with photos that illustrate blue volcanic fire caused by the eruption of molten sulfur.

The Jehol Fossils of China
February 16, 2014 | National Geographic

A National Geographic article explores the diversity and incredible preservation of China’s Jehol fossils. The animals are thought to have been killed, transported, buried and preserved by ash produced by pyroclastic flows. Some researchers described it as a “Pompeii for animals”.

Many Types of Sand
February 16, 2014 |

Most people are familiar with the tan or white silica sand that they see at the beach. However, sand is a much more diverse material as this photo gallery reveals.

Image © iStockphoto and Matejh Photography.
The Strangest Volcanic Landscape
February 11, 2014 |

One of the world’s strangest volcanic landscapes is located 269 feet below sea level in the Danakil Depression of Ethiopia. It is the Dallol crater, where a phreatic eruption through salt created a maar with a colorful and caustic salt deposits.

Related: What is a Maar?

Sinabung: Pyroclastic Flow Animation
January 28, 2014 |

“Animations of Pyroclastic flows resulting from collapses of the viscous andesitic lava lobe erupting from a summit crater of Sinabung Volcano in Sumatra, Indonesia.” From the Photovolcanica YouTube Channel.

Predicting the Heights of Volcanic Ash Clouds
January 16, 2014 | National Geographic

An article on the National Geographic website describes some of the work being done by volcanologists to estimate the height of a volcanic ash cloud before the volcano erupts.

Continuing Eruptions at Sinabung
January 5, 2014 | Christian Science Monitor

The current eruption at Mount Sinabung in Indonesia has killed 11 people and forced the evacuation of over 20,000.

Eyjafjallajokull Contingency Plan for the UK
January 5, 2014 |

Scientists in the UK are working on a contingency plan that they hope will be useful when an Icelandic volcano such as Laki or Eyjafjallajökull erupts. The 2010 eruption of Eyjafjallajökull caused flight cancellations and volcanic air pollution across Europe.

Most Popular Items for December
January 2, 2014 |

The Saturn Hexagon?

The Utah Supervolcano

What is Ammolite?

Landslide on an Incredible Scale

Failure of the Midcontinent Rift

Zoom in on the San Andreas Fault

Price of Gold Falling

Size of the Yellowstone Magma Chamber Severely Underestimated?

Salaries and Employment of Recent Geoscience Graduates

The Largest Recorded Fault Slip

How Do They Steer the Horizontal Drill?

New Island South of Japan Continues Growing
January 1, 2014 | National Geographic

Niijima, the new volcanic island that first appeared about 600 miles south of Japan continues to grow. Now it is about 13.8 acres in size with a maximum elevation of about 80 feet.

Ash Plume at San Miguel
January 1, 2014 | NASA Earth Observatory

Sunday’s explosive eruption at San Miguel Volcano in El Salvador produced a plume of ash captured by NASA in this satellite image.

December 30, 2013 | NASA

An aerial view of Niijima, the new volcanic island growing in the Pacific Ocean about 600 miles south of Japan.

Explosive Eruption at San Miguel
December 30, 2013 | Eruptions Blog

Erik Klemetti has photos and descriptive information about the explosive eruption at San Miguel volcano in El Salvador.

Reading the Scrolls of Herculaneum
December 29, 2013 | BBC

A small library of scrolls scorched by the 79 AD eruption of Vesuvius, could be the greatest treasure unearthed at Herculaneum – but “reading” them is incredibly difficult.

Related: Vesuvius: Eruptions and Plate Tectonics

Size of the Yellowstone Magma Chamber Severely Underestimated?
December 26, 2013 | National Geographic

The magma reservoir below Yellowstone National Park could be two-and-a-half times larger than previously thought!

Related: The Yellowstone Supervolcano

Modeling Volcanic Eruptions in a Lab
December 26, 2013 | National Geographic

Smithsonian researchers use baby powder, laser beams and computers to model the spread of pyroclastic flows and other volcanic processes.

Remember Lusi the Mud Volcano in Indonesia? Still Erupting
December 19, 2013 | BBC

It began erupting in 2006 and spread stinking mud across a community in Indonesia. Then it was producing 100,000 metric tons of mud per day, now its down to 10,000 per day.

View Larger Map

Volcanic Lightning in a Lab?
December 19, 2013 | National Geographic

National Geographic has a video that shows a laboratory simulation of volcanic lightning in a lab. See volcanic lightning in Alaska here.

The New Island South of Japan is Growing!
December 15, 2013 | The Australian

Last month a volcanic island surfaced and began growing about 600 miles south of Japan. The eruption continues and the size of the island is growing.

A Hotspot Under Antarctica?
December 12, 2013 | Live Science

Researchers have discovered a slow velocity zone under the Marie Byrd Land area of Antarctica, which together with volcanoes above and below the ice suggest the presence of a hotspot.

Ash Plume from Sakurajima
December 3, 2013 | NASA Earth Observatory

NASA’s Earth Observatory has a satellite view of a dense ash plume released from Sakurajima Volcano, located on the island of Kyushu, Japan. This is an extremely active volcano, producing frequent explosions and ash clouds with over a million people living within a few miles of the vent.

Most Popular Items for November
December 2, 2013 |

The World’s Largest Emerald Mine

What is Iris Agate?

New Volcanic Island Southeast of Japan

The Enormous Volcanic Eruption that Historians Never Recorded

A Super River from the Southwestern United States to the Labrador Sea?

Typhoon Haiyan Images

Comet Ison is Visible to the Naked Eye

New Super Predator Dinosaur

Permian Extinction Caused by Acid Rain?
November 25, 2013 | Massachusetts Institute of Technology

“Rain as acidic as undiluted lemon juice may have played a part in killing off plants and organisms around the world during the most severe mass extinction in Earth’s history.” Quoted from the MIT press release.

Understanding Galapagos Volcanoes
November 25, 2013 | USGS

“The chance transit of a satellite over the April 2009 eruption of Fernandina volcano — the most active in South America’s famed Galápagos archipelago — has revealed for the first time the mechanism behind the characteristic pattern of eruptive fissures on the island chain’s volcanoes.” Quoted from the USGS Newsroom.

New Volcanic Island Southeast of Japan
November 21, 2013 | National Geographic

National Geographic has a short video that shows a new island erupting from the sea in the Bonin Islands, about 500 miles southeast of Japan.

Ashfall Mechanics at Sinabung
November 19, 2013 | Wired Science

Erik Klemetti has an interesting photo from the eruption of Mount Sinabung, Indonesia and a sketch that explains how the ashfall is produced.

Painting Linked to a 7000 BC Eruption
November 19, 2013 | NBC News

“A 9,000-year-old painting of an exploding volcano, the oldest ever found, can now be linked to a real-life eruption in Turkey.” Quoted from the NBC News story.

The Enormous Volcanic Eruption that Historians Never Recorded
November 19, 2013 | Yahoo! News

A volcanic eruption around the year 1258 produced distinctive ash falls in both Antarctica and Greenland. It was a blast unprecedented in human history but historians did not record the eruption. Where did it happen?

A Rumbling Volcano Beneath Antarctic Ice?
November 18, 2013 | Washington University

“My first thought was, ‘OK, maybe it’s just coincidence.’ But then I looked more closely and realized that the mountains were actually volcanoes and there was an age progression to the range. The volcanoes closest to the seismic events were the youngest ones.” Quoted from the Washington University press release.

Magmatic Water on Moon’s Surface
November 6, 2013 | USGS

“Scientists have detected magmatic water — water that originates from deep within the Moon’s interior — on the surface of the Moon.” Quoted from the USGS press release.

Understanding Galapagos Volcanoes
October 31, 2013 | USGS

“The chance transit of a satellite over the April 2009 eruption of Fernandina volcano — the most active in South America’s famed Galápagos archipelago — has revealed for the first time the mechanism behind the characteristic pattern of eruptive fissures on the island chain’s volcanoes.”

When Lava and Water Meet Without an Explosion
October 22, 2013 | University at Buffalo

When hot lava contacts cold water an explosion is often produced. This article explores some lava pillars in Iceland that appear to have formed when lava met water without an explosion.

Extrusive Volcanism Formed the Hawaiian Islands
October 21, 2013 | University of Hawaii

“Scientists have determined that it is the eruptions of lava on the surface, extrusion, which grow Hawaiian volcanoes, rather than internal emplacement of magma, as was previously thought.” Quoted from the University of Hawaii press release.

We are constantly looking for interesting items related to geology and general science. When we find something interesting we share it here. Bookmark this page and visit often. You can also receive our news for free by RSS feed or email. We publish updates three or four days per week.

Homeowners InsuranceHomeowners Insurance usually does not cover damage caused by floods, landslides, earthquakes and other geohazards.
frac sandFrac Sand is a high-purity silica sand used in hydraulic fracturing to enhance the flow of oil and gas from tight rock units.
Diamond formationDiamonds from Coal? Diamonds form under a variety of conditions that rarely involve coal as a source of carbon.
fluorescent mineralsFluorescent Minerals glow with spectacular colors when illuminated in the dark with an ultraviolet lamp.
Uses of heliumHelium is a byproduct of the natural gas industry. Its most important use is in magnetic resonance imaging (MRI) machines.
Canada diamond minesCanada Diamond Mines: Canada is the third largest producer of gem-quality diamonds in the world.
Utica shaleUtica Shale: New wells in eastern Ohio prove that the Utica Shale will be a major source of natural gas and natural gas liquids.
Green River fossilsSpectacular Fossils of the Green River Formation. Some of the world's best-preserved fossil fish from an intermountain lake.
OpalOpals: Gem quality opal is one of the most spectacular gemstones. A single stone can flash with every color of the spectrum.
NovaruptaMost Powerful Eruption of the 20th Century: People in Juneau heard the volcanic blast - over one hour after it occurred.

© 2005-2013 All Rights Reserved.
Images, code and content of this website are property of Use without permission is prohibited. Pages on this site are protected by Copyscape.