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• Aden Ridge
• Afar Triple Junction
• African Plate
• Arabian Peninsula
• Arabian Plate
• Carlsberg Ridge
• Geographic coordinate system
• Gulf of Aden
• Indian Ocean
• Indo-Australian Plate
• Owen Fracture Zone
• Somali Plate
• Tectonic plate
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Aden Ridge

The Aden Ridge (also, Gulf of Aden Ridge) is a divergent tectonic plate boundary which runs offshore in the Gulf of Aden and Indian Ocean along the southeastern coastline of the Arabian Peninsula. It extends eastward from the Afar Triple Junction to a junction with the Owen Fracture Zone, and separates the Arabian Plate from the Somalia subplate of the African Plate. The eastern segments of the Aden Ridge are also called the Sheba Ridge.

The area in which the three plates (African, Arabian, and Indo-Australian) come together is often referred to as the Aden-Owen-Carlsberg Triple Junction, although, unlike other triple junctions, the actual intersection of the three plate boundaries occurs where the Sheba segment of the Aden Ridge meets the Owen Fracture Zone, a point which is offset by the transform section of the Owen Fracture Zone from the northern end of the Carlsberg Ridge.

Coordinates: 14°N 52°E / 14°N 52°E / 14; 52