Lake El´gygytgyn. Credit: UMass Amherst
climate

Million-year-old Arctic sedimentary record sheds light on climate mystery

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Seismogram
Earthquake

A swarm of 85,000 earthquakes at the Antarctic Orca submarine volcano

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One of the strombolian explosions that have occurred at Stromboli about every 10 minutes for at least 2000 years. © UNIGE, Luca Caricchi
Volcanoes

The oxidation of volcanoes—a magma opus

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An imagined scene from the end of the Cretaceous Period, more than 66 million years ago, has the newly identified softshell turtle Hutchemys walkerorum dwelling alongside iconic species from the Age of the Dinosaurs. (Image: Sergey Krasovskiy)
Dinosaur

Newly identified softshell turtle lived alongside T. rex and Triceratops

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Zircon Crystals of the mineral zircon are tiny time-capsules that record the age of many events in Earth’s history. Dating zircon crystals like this was one of the two methods used to calculate the age of the Hiawatha impact crater. Illustration: Gavin Kenny, Swedish Museum of Natural History.
Crater

Giant impact crater in Greenland occurred a few million years after...

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The unstable southern flank of the Merapi volcano during a partial collapse in 2019. Photograph: GFZ Potsdam
Volcanoes

Hidden weaknesses within volcanoes may cause volcano collapse

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California’s San Andreas Fault. The “creeping” central section, subject of a new study, is in yellow. Rock samples from almost 2 miles down were taken at the San Andreas Fault Observatory at Depth, or SAFOD, marked by the red star. (Adapted from Coffey et al., Geology, 2022)
Fault

A slow-motion section of the San Andreas fault may not be...

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grains of sand
Earth

New technique unlocks ancient history of Earth from grains of sand

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Kimberlites are complex rocks that came to the Earth's surface from great depths. The picture shows a thin section of a carbonate-​rich kimberlite. (Photograph: David Swart / Messengers of the Mantle Exhibition)
Earth

Traces of life in the Earth’s deep mantle

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Earthquake

Earthquake fracture energy relates to how a quake stops

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