Ancient Caldera

Photographer: o o o o o o o o o o o o o o o o o o
From: Explosive Eruptions of Lava and Flowers: Lassen National Park
Nikon Corporation » Nikon D80

Ancient Caldera

In this photo the peaks are in a circular shape- the outlines of a massive volcano that erupted explosively eons ago- leaving the steaming fumaroles, boiling mud pots, cinder cones and other volcanic features we see today.