Tag Archives: geology

Why the East Coast Earthquake Covered So Much Ground

Friday morning at around 10:30 local time, a magnitude 4.8 earthquake popped three miles below Whitehouse Station, New Jersey. Though nowhere near the magnitude of the West Coast’s monster quakes, the seismic waves traveled hundreds of miles, jostling not just nearby New York City, but Philadelphia and Boston and Washington, …

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The World’s Essential Aquifers Are in Deep Trouble

The water that pours out of your tap, or that’s unnecessarily packaged in a single-use bottle, or that helped grow the produce in your fridge—all of it may well have come from aquifers somewhere. These are layers of underground material that hold water, and can be made up of porous …

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Critical Infrastructure Is Sinking Along the US East Coast

Unless you’re sinking into quicksand, you might assume that the land beneath your feet is solid and unmoving. In actual fact, your part of the world may well be undergoing “subsidence,” which is where the ground collapses as sediments settle or when people over-extract groundwater. New York City is sinking, …

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Don’t Worry, It’s Just ‘Fire Ice’

Fifteen years ago, Richard Davies of Newcastle University got hold of 3D images of the underwater sedimentary strata in the Atlantic Ocean off the coast of Mauritania. “I'm a geologist, so it's my equivalent of the medic’s CAT scan,” Davies says. “I had this data set, and I've had many, …

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The Mystery of Iceland’s Non-Erupting Volcano

Late last week, on Iceland’s Reykjanes Peninsula, a concerning sequence of earthquakes suddenly turned into a full-blown volcanic crisis. A burst of intense and frequent seismic shaking, accompanied by a convulsing crust, suggested that a huge volume of magma was rapidly burrowing its way toward Svartsengi, the site of a …

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