Radiocarbon dating
Radiocarbon dating is a method for determining the age of an object. It uses the properties of radiocarbon, a radioactive ...
Read more
Newberry Volcano
Newberry Volcano is a large active shield volcano located about 20 miles south of Bend, Oregon, United States. It is ...
Read more
Mount Cayley volcanic field
The Mount Cayley volcanic field is a remote volcanic zone on the South Coast of British Columbia, Canada. Eruptions along ...
Read more
Mono–Inyo Craters
The Mono–Inyo Craters are a volcanic chain of craters, domes and lava flows in Mono County, Eastern California. The chain ...
Read more
Lōʻihi Seamount
Lō’ihi Seamount is an active submarine volcano about 35 km off the southeast coast of the island of Hawaii. It is ...
Read more
David A. Johnston
David Alexander Johnston was a principal scientist on the USGS monitoring team. He was killed by the 1980 eruption of ...
Read more
Ice drilling
Ice drilling allows scientists studying glaciers and ice sheets to gain access to what is beneath the ice. Instruments can ...
Read more
Harry Glicken
Harry Glicken was an American volcanologist. He researched Mount St. Helens in the United States before and after its 1980 ...
Read more
Geology of the Zion and Kolob canyons area
The geology of the Zion and Kolob canyons area includes nine known exposed formations. These formations represent about 150 million ...
Read more
