Katla during the same period was active thirteen times down to 1860.

There was a horrible choking sound, and the next Biorn knew was that Leif had fetched water and was dashing it on Katla's face.

Thorarin and Arnkill determined on instant vengeance, and, travelling rapidly, surprised the house of Katla.

Katla caused very serious destruction in this way by converting several cultivated districts into barren wastes.