US Department of the Interior @Interior
The Shishaldin volcano at Alaska Maritime National Wildlife Refuge is the quintessential volcano shape-- tall and pointy. It last erupted in 2019 and is a stratovolcano which means it is made up of many layers. At 10,000 years old, it's a young volcano 1/4 https://t.co/kMSfdS3VUl — PolitiTweet.org