1893 photo shows man standing inside a volcanic “spiracle” in iceland

In this 1893 photo, a man stands inside a “spiracle” in Iceland. With just his head popping out, it looks as if a random head has sprouted from a rock formation. The photo comes from the collection of Tempest Anderson, a pioneering Victorian volcanologist.

In the late 1800s, volcanologists sometimes used the word “spiracle” as a loose, descriptive term r…