Fissure

This article is about cracks that open on a planetary surface. For other types of geological cracks, see Fracture (geology). For other uses, see Fissure (disambiguation).
Ground cracks at an east–west segment of Kamoamoa after its 2011 fissure eruption. The geologist is about 180 cm (5.9 ft) tall.[1]

A fissure is a long, narrow crack opening along the surface of Earth. The term is derived from the Latin word fissura, which means 'cleft' or 'crack'. Fissures emerge in Earth's crust, on ice sheets and glaciers, and on volcanoes.

  1. ^ Cite error: The named reference Volcano watch was invoked but never defined (see the help page).