In the centre of a pumice-covered plateau from loon to 2000 ft. In 1886 there was a serious volcanic eruption in the outlying island of Nivafoou, and at the same time Falcon Reef, normally awash at high water, discharged sufficient scoriae and pumice to form a new island 50 ft.
The superior facet, also called the superior articular process, is a pair of facet joints between pairs of vertebrae. A facet joint is what holds two vertebrae together and each vertebra contains two pairs, an upper-facing superior facet pair and a lower-facing inferior facet pair.
Side view of the cervical spine showing the facet joint. X-ray [CT scan] showing the facet joint in cross-section. Paraspinal Muscles. The spine is formed by the bones (vertebral bodies), which are stacked one on top of another. On each side of the vertebral bodies, are tiny joints called facet joints. Arthritic changes and inflammation can develop in these joints, and the nerves to the facet joints can convey severe and diffuse pain.