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 | Geology.com
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.
Earth’s Largest Volcano|
October 21, 2013 | Geology.com
Tamu Massif is Earth’s “largest volcano” but Mauna Kea and Ojos del Salado exceed Tamu in height and altitude.
Eruptions a Sakurajima|
October 13, 2013 | National Geographic
National Geographic has a short article on Sakurajima, a volcano in Japan that is continuously in eruption.
Activity at Veniaminof|
October 13, 2013 | Alaska Volcano Observatory
“The latest phase of the 2013 eruption of Veniaminof resumed on October 6, 2013 after a month-long pause in activity. Similar to activity observed during the summer of 2013, the eruption is characterized by lava effusion and fountaining and production of intermittent small steam, gas, and ash plumes that rise hundreds of feet above the active vent.” Quoted from the AVO weekly report.
Most Popular News Items for September 2013|
October 6, 2013 | Geology.com
Niagara Falls Without Water (1969)
Volcanoes of the Rio Grande Rift
Dashboard Cam Captures Massive Rock Fall
Huge Crater in Antarctic Ice
Many Types of Sand
What Happened at Mount Paektu in North Korea?
The Dry Hole that Led to $1.5 Trillion in Crude
Fracking Does Not Cause Earthquakes
Preparing for a Volcanic Eruption Near Auckland|
October 1, 2013 | New Zealand Herald
Although a large volcanic eruption has not occurred in the Auckland Volcanic Field for about 500 years, about 450,000 people might need to be evacuated on short notice if Rangitoto or another volcano in the field threatens a large eruption. The field has produced about 50 large eruptions in the past 250,000 years – but local citizens have a hard time accepting the fact that another large eruption will occur.
The Case of the Missing Volcano?|
September 30, 2013 | National Geographic
An eruption eight times as large as Krakatau occurred in 1257 A.D. but researchers have not been able to identify the source. Now some think it might be Samalas Volcano on Lombok Island in Indonesia.
NASA Satellites Image Mud Volcano
September 29, 2013 | NASA
“On September 26, 2013, the Advanced Land Imager captured an image of a new island off the coast of Pakistan. The “mud island” rose from the seafloor near Gwadar on September 24, shortly after a magnitude 7.8 earthquake rattled the Balochistan province of northwestern Pakistan.” Quoted from the NASA press release.
See the NBC News report with a ground photo here.