Here, the earth-borne violence was on the scale of what geologists call "super volcanoes"—incomprehensibly massive eruptive forces that spewed ash over thousands of miles. As the firestorms wound down, the volcanoes …
Author: Mare
Arizona Hiking: The super volcano in our backyard
Here, the earth-borne violence was on the scale of what geologists call "super volcanoes"—incomprehensibly massive eruptive forces that spewed ash over thousands of miles. As the firestorms wound down, the volcanoes …