Professor Cathryn Newton studies Middle Devonian marine faunas (such as these brachiopods from 380-390 million years ago), whose fossils are lodged in a unit of
Scientists identified flank instability at Pacaya, an active volcano in Guatemala. Credit: Kirsten Stephens/Penn State Landslides caused by the collapse of unstable volcanoes are one of
3D view of one especially complex multi-fault rupture from the synthetic earthquake catalog developed by the Southern California Earthquake Center using a new earthquake modeling
Shiveluch volcano has had more than 40 violent eruptions over the last 10,000 years. The last gigantic blast occurred in 1964, creating a new crater
Credit: Helmholtz Association of German Research Centres The strongest climate fluctuation on time scales of a few years is the so-called El Niño phenomenon, which
The Sun lights up the Texas and Louisiana coast. According to researchers at the University of Texas Institute for Geophysics, the unique geology of the
Around 1085 AD, along the southern rim of Northern Arizona’s elevated Colorado Plateau, a volcano erupted, forever changing ancient Puebloan fortunes and all nearby life.
A sectioned quartz-quartz grain contact revealing a thin clay film (ribbon-like structure). Compaction and shear of these thin clay films has played a key role
Volcanoes that have been quiet for decades are rumbling to life in the eastern Caribbean, prompting officials to issue alerts in Martinique and St. Vincent
Geoprobe drilling rig extraction of a sediment core with evidence of a tsunami from South Bay, Tel Dor, Israel. Credit: T. E. Levy Underwater excavation,
