Umiliath

A Fireberg


 * It was fifty miles long and twenty miles wide.
 * It was much larger than previous firebergs.
 * It also moved much faster.
 * It appeared during in the reign of Sulimant moving against Brithos
 * The Brithini threatened to move it against Seshnela
 * An alliance between the God Learners and Brithos neutralized the threat.
 * Said have taken place 1008 years after the world was saved from ice dating the latter to -185 ST

Source: The Middle Sea Empire