News

Shatter ring on the PKK lava tube.

Within the broad spectrum of volcanic activity that is possible on Earth, the eruption of lava domes is a common and frequently hazardous phenomenon...

Yellowstone and other caldera systems are well-known for their continual ups and downs.

The lava ocean entry at East Lae`apuki, on the southern shoreline of Kīlauea Volcano, has been active for 15 months. Lava flows rapidly from Pu`u `O`o...

Five volcanoes erupting in the United States within the past two months - Kīlauea, Mount St. Helens, and Augustine, Mt. Cleveland, and possibly...

An earthquake of magnitude-4.0 (preliminary) was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory on March 1, at 8:57 A.M. HST.

On cool, still mornings at the top of Kīlauea, visitors looking across the summit caldera can see a palpable example of the Earth breathing. Wisps of...

An old Hawaiian chant tells of a mysterious, powerful place in North Kohala, where two streams begin side by side but run in opposite directions and...

An earthquake of magnitude-4.6 (preliminary) was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory on February 16, at 3:22 P.M...

A significant volcanic eruption is in progress right now in Alaska, though it hasn't received much media attention. Augustine Volcano, named by...