|Region:||Africa and Red Sea|
|Measurement method(s):||No measurements|
|Duration of observation:|
|Inferred cause of deformation:|
|Characteristics of deformation:|
No geodetic studies have ever been made at San Joaquin, also known as Pico Biao, found in the Gulf of Guinea. Like its neighbour, San Carlos, this volcano has been considered active, but very little is known about it. Its caldera has a lake.
|Reference:||NASA Landsat7 image (worldwind.arc.nasa.gov)|
The caldera of San Joaquin volcano can be seen towards the north and in the centre of this NASA Landsat7 image (n.d).