Articles sur Earth science

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Seismic shockwaves after a meteorite’s collision could affect systems all over the planet. solarseven/Shutterstock.com

More bad news for dinosaurs: Chicxulub meteorite impact triggered global volcanic eruptions on the ocean floor

Research suggests a new threat to life on Earth from the meteorite's crash: Via seismic waves, the impact triggered massive undersea eruptions, as big as any ever seen in our planet's history.
Fires break out across San Francisco after the April 18, 1906 earthquake. USGS

California’s other drought: A major earthquake is overdue

According to current forecasts, California has a 93 percent chance of an earthquake with magnitude 7 or greater occurring by 2045. Early warning systems, now in development, could limit casualties and damage.
Searching for victims after a rain-triggered mudslide that blanketed a village and killed at least 178 people in north China’s Shanxi province, Sept. 13, 2008. AP Photo/Andy Wong

Global toll from landslides is heaviest in developing countries

While the Montecito, California mudslides took 20 lives, landslides kill far more people in developing countries. Tighter construction standards and early warning systems could help reduce their toll.
NASA Earth Science Division operating missions, including systems managed by NOAA and USGS. NASA Earth Observing System

Eyes in the sky: Cutting NASA Earth observations would be a costly mistake

President Trump's 2018 budget request cuts funding for NASA Earth observation research and cancels four missions. Weather forecasters, businesses, scientists and the armed forces rely on this data.
Spotting ancient volcanoes of Britain. University of Bristol

British volcanologist wins earth sciences ‘Nobel’ prize

A British volcanologist has won one of the most prestigious awards in science – the Vetlesen Prize, which is considered to be the earth sciences equivalent of the Nobel Prize. Stephen Sparks of the University…
Over time, Earth’s plates went from static to dynamic. Modestas Jonauskas/Flickr

What a crack up: hefty continents got tectonic plates moving

Plate tectonics – the large-scale movement of Earth’s lithosphere or outer layers – started around three billion years ago, but how those movements started was a bit of a mystery – until today. With colleagues…
We live in a ‘wide brown land’ – but we need to figure out how to use it sustainably. Duncan Rawlinson

Groundbreaking earth sciences for a smart – and lucky – country

AUSTRALIA 2025: How will science address the challenges of the future? In collaboration with Australia’s chief scientist Ian Chubb, we’re asking how each science discipline will contribute to Australia…

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