The collapse volume at the summit nearly matched the effused lava volume on the rift zone. In this regard, 1868 was a little ...

The US Geological Survey has issued a hazard notification that increased "unrest" at the volcano indicates big things are ...

Unlike volcanoes found on land ... of inflation at Axial has been steady for the last 6 months and the rate of seismicity has ...

“Unrest continues at Mount Spurr volcano,” a statement posted Tuesday by the observatory and the United States Geological Survey said. “Seismicity remains elevated with numerous ...

As part of that effort we investigate the implications and consequences of hazards such as earthquakes, volcanoes, landslides, groundwater extraction, and induced seismicity on infrastructure and ...

and seismicity. We won’t get clear warnings of an imminent event hours or days ahead,” he said. The greatest risk is concentrated within Poás Volcano National Park, particularly at the viewpoint.

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift ...

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift Zone severely impacted the Ka‘u district. However, this may not have been the ...