Volcano ‘Screams’ Before Eruption

In 2009, Alaska’s Redoubt volcano erupted and sent plumes of ash miles into the air. But underground, there was even more activity. In a study published in Nature Geoscience, researchers say the volcano experienced a large number of pre-eruption earthquakes that created a “scream.”

Wastewater Wells, Geothermal Power Triggering Earthquakes

Pumping industrial wastewater into storage wells deep underground can prime nearby faults for an earthquake. And studies show that a large quake — even one on the other side of the planet — can also push faults over the edge and set off a swarm of mini-earthquakes.

Wastewater Wells, Geothermal Power Triggering Earthquakes

Pumping industrial wastewater into storage wells deep underground can prime nearby faults for an earthquake. And studies show that a large quake — even one on the other side of the planet — can also push faults over the edge and set off a swarm of mini-earthquakes.

Next In Line For A Fracking Boom, California Looks At The Rules

The state is known for its tough environmental rules, but it has largely ignored hydraulic fracturing until now. Though California’s concerns are like those of many other places, there’s also the question of how the growing fracking industry might affect earthquakes.

Scared To Death… Literally

Earthquakes, terrorist attacks and muggings have all scared people to death. Sporting events, too, sometimes cause frenzied fans to drop dead. Neurologist Martin Samuels of Brigham and Women’s Hospital explains how positive or negative excitement can lead to a heart-stopping surge of adrenaline.