The Dubbi Volcano is a stratovolcano

Stratovolcano

A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...

 located in the Southern Red Sea

Southern Red Sea

The Southern Red Sea Region of Eritrea is one of the six main regions of Eritrea. It lies along the southern half of the Red Sea, and contains the coastal city of Asseb. It borders the Northern Red Sea Region, and has an area of around 27,600km²....

 Region of Eritrea

Eritrea

Eritrea , officially the State of Eritrea, is a country in the Horn of Africa. Eritrea derives it's name from the Greek word Erethria, meaning 'red land'. The capital is Asmara. It is bordered by Sudan in the west, Ethiopia in the south, and Djibouti in the southeast...

. Its peak elevation is 1625 m. There have been four known eruptions. In 1400 lava was determined to have reached the Red Sea

Red Sea

The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. In the north, there is the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez...

 while in 1861 ash was thrown over 250 km from the volcano. Two further events were suspected between 1861 and the 20th century.

On June 13, 2011 an ash cloud that had some influence on air travel was attributed to Dubbi. However, more accurate satellite imagery later showed that Nabro

Nabro Volcano

The Nabro Volcano is a stratovolcano located in the Southern Red Sea Region of Eritrea. It is located in the Danakil Depression. Prior to its 2011 eruption it was widely believed to be extinct.-Geology:...

was the volcano that had erupted.