EMSO-Azores is a non cabled multidisciplinary observatory devoted to the long term integrated study of mid-ocean ridge processes, from the subsea floor to the water column.

EMSO-Azores was deployed in 2010.

EMSO-Azores seafloor observatory is supported by France and Portugal as their contributions to Emso. The site is open to new collaborations, connected instruments for near real time data transmission or autonomous sensors.