The eruption risk at Yellowstone remains low, but one of the recent earthquakes was the biggest to have hit since 2014.
The finding helps us understand what triggers earthquakes—and when they are more likely to strike.
The borehole revealed extreme underground heat and fluid pressure that could be used as a source of geothermal energy.
The largest study of Javan rhinos suggests these beasts are hovering on the edge of extinction.
The fault continued to slip for 12 years after the 2004 Parkfield earthquake—a level of movement that has major implications for the Hayward Fault, which is set to rupture near San Francisco.
The 6.5 magnitude quake struck the Aceh province Wednesday.
The 7.8-magnitude quake prompted a tsunami warning that sent thousands fleeing to higher ground.
Locals' choice to flee central Italy after August earthquake helps limit the damage of latest tremor.
Many of Haiti's people are without drinking water and the spread of cholera is all but certain.
The waterborne disease has killed more than 9,000 people since the earthquake in 2010.
President Rafeal Correa wants to temporarily raise taxes, offer assets for sale and possibly issue bonds to pay for reconstruction.
The latest earthquake hit 25 km (15 miles) off Muisne on the northwest Pacific coast at a depth of 15 km, the U.S. Geological Survey (USGS) said.
Nearly 300 people have died since the earthquake struck on Saturday night.
Rescue operations underway as coastal areas suffer devastation in the worst earthquake since 1979.
Devastating quake halts factory production; economic damage may exceed $10 billion.