Geology

Steep rise of the Bernese Alps

The striking north face of the Bernese Alps is the result of a steep rise of rocks from the depths following a collision of two tectonic plates. This …

Physical Geography

Kaikoura quake may prompt rethink of earthquake hazard models internationally

Last November’s magnitude 7.8 Kaikoura earthquake was so complex and unusual that it is likely to lead to changes in the way scientists think about …

Earthquakes

How a Rutgers researcher is having a big impact on our understanding of a big impact: BTN LiveBIG

Learning how new life can be formed on a planet other than Earth doesn’t require intergalactic travel — just a trip to the area off Mexico’s Yucatan …

Sports

Neotectonics and Earthquake Forecasting

A research symposium on “Neotectonics and Earthquake Potential of the Eastern Mediterranean Region” at the AGU Fall Meeting in 2013 drew researchers …

Physical Geography

Volcano Watch: Kilauea activity update for March 23, 2017

<i>This 3D model of the lava lake at Kīlauea’s summit was constructed from a series of thermal images acquired during an overflight on Thursday, March</i> …

Volcanoes

Why Are Martian Volcanoes So Different From Earth's?

Just this week, NASA announced that it had discovered one of the youngest, possibly <i>the</i> youngest major volcano on Mars to date.<p>Arsia Mons – a gigantic, 110-kilometer-long (68-mile-long) caldera, which is also more than twice the height of Everest – had been known about before, but new satellite …

Physical Geography

Dinosaur crater's clue to origin of life

<b>The crater made by the asteroid that killed off the dinosaurs is revealing clues to the origins of life on Earth.</b><p>Scientists have drilled into the 200km-wide Chicxulub crater now buried under the Gulf of Mexico.<p>They say its rocks show evidence of having been home to a large "hydrothermal system", …

Space

California Earthquakes: San Andreas Fault Could Cause Coast To Instantly Sink Below Sea Level

Add "sinking below sea level" to California’s list of natural disaster worries. Portions of the Golden State could be at risk of abruptly dropping …

San Andreas Fault

Strange behavior of New Zealand quake suggests higher chances of 'Big Ones' elsewhere

A reassuring rule of thumb about earthquakes is breaking down. For decades seismologists had assumed that individual faults—as well as isolated …

Earthquakes

Mars Volcano, Earth's Dinosaurs Went Extinct About the Same Time

NewsThe last volcanic activity on Mars ceased about 50 million years ago, around the time of Earth's Cretaceous-Paleogene extinction.Contributed …

Physical Geography

Big L.A. earthquake could cause beach areas to sink up to 3 feet in seconds, new study finds

One of Southern California’s most dangerous faults caused land on the Orange County coast to sink between 1½ feet to 3 feet in a matter of seconds during prehistoric earthquakes, according to a new study that suggests the seismic risk is greater than previously believed.<p>“It’s not just a gradual …

California

We Are At The Mercy Of Planet Earth's Make Ups And Breakups

Unlike most places in the Solar System, Earth has a dynamic surface full of weather systems, earthquakes, and volcanic eruptions – and underlying it all, you’ve got drifting continents and plate tectonics.<p>As you’re probably aware, there was once a so-called supercontinent called Pangaea, which was …

Climate Change

Types of Rocks

Geologists classify rocks into three major groups: igneous rock, sedimentary rock, and metamorphic rock. Metamorphic Rock forms from other rocks that …

Big History

Earthquakes - National Disaster Management Authority

<b>Earthquake</b><p>An earthquake is a phenomenon that occurs without warning and involves violent shaking of the ground and everything over it. It results …

Physical Geography

As lava hardens, a revelation bubbles up

Back when he was working on his Ph.D. in geophysics at the University of Chicago in the 1980s, Dork Sahagian took a break one day from studying lava …

Physical Geography

Europe's Largest Active Volcano Mount Etna Erupts - Nearly Kills BBC Crew

Mount Etna put on a fiery show as it erupted for the second time this month alone, injuring at least 10 people and ejecting lava and rocks up to 650 feet into the air. Mount Etna is Europe’s largest active volcano located in Sicily in southern Italy.<p>The volcano began erupting on Feb. 27 and has …

Earth Science

Geologists Discover Remnants Of Earth's Original Crust

Throughout its 4.5 billion-year history, the Earth’s crust — the thin outer layer of the planet — has been recycled several times, and most of the …

Physical Geography

Small earthquakes reported by Mount Gambier residents

Residents in South Australia's south-east have reported feeling two earthquakes north-west of Mount Gambier on Sunday.<p>The first quake, measuring a …

Physical Geography

CRUST adds new layer of defense against earthquakes, tsunamis

The first computer model to simulate the whole chain of events triggered by offshore mega subduction earthquakes could reduce losses to life and …

Earthquakes

Going deep to measure Earth's rotational effects

Researchers in Italy hope to measure Earth’s rotation using a laser-based gyroscope housed deep underground, with enough experimental precision to …

Physics

This fiery video captures Mount Etna's magical oozing lava

Italy's Mount Etna is still fired up. The Sicilian volcano has been spewing lava and belching ash on and off for nearly three months now.<p>After the latest eruption on March 16, fiery-hot lava began flowing down the volcano's slopes. The video shown above captures the flow only two days later.<p>But as …

Physical Geography

Why Scientists Are Worried About a Landslide No One Saw or Heard

If a steep mountainside in a remote national park gives way and drops 200 million tons of rock into deep glacial water, will anyone hear?In the case …

National Parks

Magnitude-8.2: The disaster scenario on New Zealand's most dangerous fault

Arthur's Pass, the main route through the Alps, would be cut off for six months.<p>The sound of an earthquake will be deafening in the steep, forested …

New Zealand

Relax, the recent Mount Etna eruptions are completely normal

Ten people were reported injured after magma from Sicily's Mount Etna caused an explosion Thursday. Tourists, who were drawn to Etna to observe the active volcano erupting, were caught by surprise when flowing magma hit the snow. (March 16) AP<p>Mt. Etna blew its top this week, injuring several …

Physical Geography

Parts of Earth's Original Crust Exist Today in Canada

Rocks from the eastern shore of the Hudson Bay in Canada contain elements of some of Earth's earliest crust, new research finds.<p>The rocks themselves …

Astronomy

The Lifesaving Potential of Underwater Earthquake Monitors

Sending sensors deep into the ocean could allow for earlier and more accurate tsunami warnings.<p>The seconds between the warning of an impending earthquake and the moment the quake hits can be the difference between life or death. In that time, automatic brakes can halt trains; people can duck for …

Earthquakes

Scientists Are Rethinking Where Earth's Water Came From

Volcanos or comets?<p>Earth has been the blue planet for as many as 3.8 billion years. Ancient sedimentary rock deposits and lava that cooled into …

Physical Geography

Three earthquakes strike same California spot just hours apart

Three earthquakes struck just a kilometer or two apart in Central California on Thursday, according to the USGS, two of them within two minutes of each other, near the town of Avenal in Kings County.<p>The first was a magnitude 3.6 quake that struck at 7:50 a.m., 12 kilometers northwest of Avenal at a …

Physical Geography

The bangs, crackles and hums of Earth's seismic orchestra

Study gets to the bottom of ‘musical symphony’ produced in regions prone to mega-quakes as scientists work toward better quake hazard forecasting<p>You are at a classical music concert. There is an orchestra with three main sections. High up at the back, the percussion section has one very loud, large …

Earth Science

Kaikoura earthquake ruptured 21 faults - that's possibly a world record

Twenty-one faults ruptured during the magnitude 7.8 Kaikoura earthquake, scientists have found.

Earthquakes