A new map exhibit documents evolving views of Earth’s interior

‘Beneath Our Feet’ chronicles how people have envisioned the subsurface

Kircher's map of Earth's core

NOT FAR OFF  Athanasius Kircher, a 17th century Jesuit scholar, imagined Earth’s core as a ball of fire. His and other historical and modern maps are on display at the Boston Public Library.

A. Kircher, Courtesy of the Norman B. Leventhal Map Center/Boston Public Library

Much of what happens on the Earth’s surface is connected to activity far below.