Greek authorities have advised people on the Aegean island of Santorini to shut schools on Monday, avoid two small ports and refrain from gathering in indoor spaces after increased seismic activity in ...

Decisions made following the seismic risk committee’s assessment after successive tremors in the sea area between Santorini and Amorgos ...

The USGS Hawaiian Volcano Observatory spearheads Volcano Awareness Month each January on the Island of Hawaii. This year, in addition to in-person talks and walks around the island, we hosted an art ...

Yellowstone's magma system shows new activity, with the northeast sector possibly hosting future volcanic activity.

Seismic activity has been intense in recent hours, with dozens of small tremors recorded in Santorini, Amorgos, and the surrounding islands. The most recent earthquake struck at 12:16 PM, registering ...

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon ...

NASA's Juno spacecraft has spotted the most powerful volcanic eruption ever seen on the solar system's most volcanic body, ...

A new study found that the ocean temperature is rising four times faster than it was in the 1980s, and it's not just because of climate change.

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.

Magma build-up activity in the region of a huge underwater volcano named the Axial Seamount just 300 miles off the US coast ...

A new study has found surprising evidence of large bodies of magma lurking beneath long-dormant volcanoes in the Cascade ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...