August 2015

Quantifying the impact of volcanic eruptions on climate

Large volcanic eruptions inject considerable amounts of sulphur in the stratosphere which, once converted into aerosols…

Properties of magma influence volcano forecasts

Many volcanoes are located in densely settled areas. Every time one of these becomes active, large populations are put …

The Supervolcano Under Yellowstone is Alive and Kicking

Gazette chief photographer Larry Mayer's image of a small plane flying over Grand Prismatic Spring in Yellowstone Nat…

Impact origin of archean cratons: Learning from Venus

Figure 5 from Hansen is a cross-sectional illustrations of Venus and Earth showing endogenic and exogenic geodynamic pro…

Staying safe in sandy beaches

Monitoring beach sand to safeguard human health Beach sand contains all kinds of microorganisms, including those that…

Historic 2013 Colorado Front Range storm accomplished up to 1,000 years of erosion

Colorado Front Range The historic September 2013 storm that triggered widespread flooding across Colorado's Front R…

What would a tsunami in the Mediterranean look like?

Animation showing water elevation for an earthquake-induced tsunami at the Southwest of Crete. Credit: Samaras et al., O…

Mechanism behind 'strange' earthquakes discovered

Seismicity on the North American plate occurs as far afield as southern Missouri, where earthquakes between 1811 and 1812…

How Amethyst Changes Color

Amethyst is a variety of quartz that is colored purple by iron impurities. The color of amethyst can range from light laven…

Rolling in the deep: Mantle flow stress best indicator of US intermountain seismicity

A June 2015 map of the USArray component of the National Science Foundation-funded Earthscope project. Earthscope is a c…

Geologic record of ancient earthquakes and tsunamis will help understand future impacts

The devastating 2004 Indian Ocean earthquake and tsunami that killed 230,000 people has raised questions among coastal re…

Earth's Mineralogy Unique in the Cosmos

Trapiche Emerald. Photo: StoneRockShop Research predicts that Earth has more than 1,500 undiscovered minerals…

415-million-year-old fossil reveal that heavy metal pollution might have contributed to the world's largest extinction

Malformed (a) versus normal (b) plankton. Toxic metal contamination may be a previously unrecognized contributing agent t…

Self-healing landscape: Landslides after earthquake

Ongoing debris fall mobilizing rock and dust from a landslide deposit due to the 2015 Gorkha In mountainous regions e…

Monitoring Northwest Pacific Seismic Risks

Early data coming in from a massive, four-year deployment of seismometers onshore and offshore in the Pacific Northwest a…

Opalized Belemnite Fossil

An opalized belemnite fossil is a rare and fascinating gem that combines the beauty of opal with the fossilized remains of …