The Book of World Records

Record no. MRB-2026-006404

Largest Mud Volcano

Reference Record – Not Certified

This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.

Azerbaijan is home to the Guinness World Record holder for largest mud volcano, and the country and surrounding Caspian region contain nearly 400 mud volcanoes, around half the world's total.