The earthquake swarm began at 6:30 a.m. local time on the Sundhnúks Crater Row, Iceland's Meteorological Office said.

A volcano south of Iceland's capital ... suggesting that fault movements could occur within the town itself," added the local weather agency. The "earthquake swarm" began in the early morning, in a ...

Earthquakes in the area caused the ground to split and triggered the volcano, the office said. Iceland is situated ... the reawakening of a long-dormant fault line running under the landscape.

Earthquakes are caused by faults, which are cracks in rock areas ... In fact, it's happening where Iceland is. It's part of the reason why Iceland has so many volcanoes and earthquakes.

Scientists say the size of earthquake faults may have been previously underestimated, extending potentially dangerous ...