The volcano is also called Edd, Gebel Dubbey, and Djebel Dubbeh. There are at least 19 craters near the top of the volcano with the largest being roughly 100 x 50 m. The upper slopes are covered in ash, lapilli, and lava flows.
Some flows extend down to the sea.
The lower slopes are rocky. Dubbi erupted in 1400 and 1861. Eruptions are suspected in 1863 and 1900 but not confirmed. The 1861 eruption was explosive and also produced lava flows. The eruption caused damage and 105 fatalities as two villages were destroyed.