Earthquakes excite the Earth’s subsurface over a small area, and waves of energy then propagate through the solid earth. Depending on the depth of the waves and the materials they encounter, they can ...

An expert has warned the Greek island of Santorini could be hit by both “volcanic eruption” and a tsunami. It comes after ...

More than 130 earthquakes were recorded on Tuesday at the massive Bardarbunga volcano, raising concerns about a potential ...

After Albert’s explanation of Afar’s volcanic and tectonic past, I will look into this region’s Holocene volcanism, and try to create the first comprehensive volcanic history of this very ...

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Mount Spurr is not the kind of lava-spewing volcano familiar from Hawaii, but instead has historically ejected huge plumes of ...

An active volcano near Alaska's most populated city could be on the brink of eruption, according to scientists who are constantly monitoring a potential threat.

The unrest suggests "that an eruption is possible," officials said. Since April, the number of earthquakes under the volcano has increased from 30 a week on average to 125 a week, officials said.

But over the past month, that itself increased, and also the location of the earthquakes changed.' The seismic activity was previously located near the volcano's peak, but it has since moved ...

The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.