Musings on Alaska during the last ice age

John Merck
July 16, 2009

The Pleistocene Epoch starting ~ two million years ago and ending 10,000 years ago, was punctuated by roughly thirty alternating glacial and interglacial intervals. Glacials were ice-ages that saw the formation of large continental ice sheets. Interglacials were warmer periods with conditions like today's. The last glacial maximum occurred 18,000 years ago. At that time:

A final note:

Beringia was a staging-ground for the invasion of North America by several species at the end of the Pleistocene, around 11,000 years ago, when the Laurentide and Cordilleran ice separated, creating a corridor through Yukon and Alberta into Montana. Immigrants included: