Email Print Share

All Images


News Release 10-099

Volcanic Eruptions in North America Were More Explosive in Ancient Past

The next Yellowstone eruption could be similar volcanic event

This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.

Photo of ancient volcanic ash beds exposed at Scotts Bluff in Nebraska.

Multiple ancient volcanic ash beds exposed at Scotts Bluff in Nebraska.

Credit: Huiming Bao


Download the high-resolution JPG version of the image. (842 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Photo of 31-15 million year old volcanic deposits lining Scotts Bluff National Monument, Nebraska.

Volcanic deposits from 35-15 million years ago line Scotts Bluff National Monument, Nebraska.

Credit: Huiming Bao


Download the high-resolution JPG version of the image. (713 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Photo of gypsum crystals embedded in calcite in a volcanic ash bed in Scotts Bluff.

Gypsum crystals embedded in calcite in a 28-million-year-old volcanic ash bed in Scotts Bluff.

Credit: Huiming Bao


Download the high-resolution JPG version of the image. (864 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Photo of an ancient volcanic ash bed exposed at Scotts Bluff National Monument.

An ancient volcanic ash bed exposed at Scotts Bluff National Monument.

Credit: Huiming Bao


Download the high-resolution JPG version of the image. (839 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.