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Earth Sciences Jun 11, 2024

How tiny cracks lead to large-scale faults

The geological and topographical features that make up the world we live in are shaped in large part by faults and fractures in Earth's brittle crust. Faults arise from preexisting microscopic imperfections within rock. When ...

Earth Sciences Jun 7, 2024

Cascadia Subduction Zone, one of Earth's top hazards, comes into sharper focus

Off the coasts of southern British Columbia, Washington, Oregon and northern California lies a 600 mile-long strip where the Pacific Ocean floor is slowly diving eastward under North America. This area, called the Cascadia ...

Earth Sciences Jun 7, 2024

Ancient crustal weaknesses contribute to modern earthquakes in West Africa, study finds

Though it was the site of active tectonics 140 million years ago, today, the coast of West Africa is a passive margin, far from an active tectonic plate boundary and thought to be seismically quiet. So scientists don't fully ...

Earth Sciences Jun 6, 2024

Faster alerts for California megaquakes: Early-warning system gets major upgrade

California's earthquake early-warning system is getting a seismic upgrade, one that will allow residents to receive more timely alerts about shaking from an incoming megaquake.

Earth Sciences May 30, 2024

Tsunami sands help scientists assess Cascadia earthquake models

To better understand the scale of past earthquakes and tsunamis, scientists often use earthquake modeling or turn to evidence the tsunamis leave behind, such as sand deposits.

Earth Sciences Jun 24, 2024

Study shows magnitude of displacements by December 2020 Petrinja earthquake

The December 2020 earthquake near the Croatian town of Petrinja (magnitude 6.4) was felt in all Croatia and in many places in the neighboring countries, and caused serious damage at the site. A recent Croatian-Hungarian collaboration ...

Environment Jun 20, 2024

Tropical Storm Alberto dissipates over central Mexico after heavy rains killed 4

Tropical Storm Alberto, the season's first named storm, weakened Thursday as it moved inland over northeast Mexico after bringing heavy rains to parts of the parched region and leaving at least four dead.

Environment Jun 18, 2024

Should FEMA recognize extreme heat and wildfire smoke as 'major disasters?'

The nation's top emergency response agency has long been a lifeline for cities and states struggling with disaster. When hurricanes strike, earthquakes rattle, and tornadoes carve paths of destruction, the Federal Emergency ...

Earth Sciences Jun 13, 2024

Taylor Swift made 'ground shaking' UK debut: Seismologists

Taylor Swift fans literally made the earth move as the US singer-songwriter began her UK tour, the British Geological Survey said on Thursday, with seismic activity recorded six kilometers (nearly four miles) away.

Environment Jun 11, 2024

Earthquakes are shaking North Georgia: Here's what may be behind them

The Peach State is not typically a hotbed of seismic activity, but residents in pockets of North Georgia have been feeling some unexpected vibrations lately after the area was jolted by four small earthquakes over the last ...

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