Articles sur Geology

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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.
The extinction of dinosaurs is one of the many periods of mass extinctions on earth. www.shutterstrock.com/Jaroslav Moravcik

5 periods of mass extinction on Earth. Are we entering the sixth?

Scientists believe since 2010 we have entered the sixth period of mass extinction. CO2 emissions will change the lives of plants and animals in the next three to four decades.
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.
It turns out that the world is about 4,600,000,000 years old. That’s 4.6 billion years. That’s pretty old! Marcella Cheng/The Conversation

Curious Kids: How do scientists work out how old the Earth is?

The world is made of tiny building blocks called 'elements'. Scientists have worked out how fast some elements change into other elements. That gives us a very big clue about how old the Earth is.

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