The Ring of Fire is a horseshoe-shaped area in the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. It is not circled by a single tectonic plate, but rather it is a result of the interactions between multiple tectonic plates.

Here's how it works:

* The Pacific Plate: This is the largest tectonic plate and is located in the center of the Ring of Fire. It is surrounded by other plates.

* Other plates involved: The Ring of Fire is formed where the Pacific Plate interacts with other plates, including the North American Plate, the Eurasian Plate, the Philippine Plate, the Australian Plate, and the Antarctic Plate.

In essence, the Ring of Fire is a zone of intense geological activity, where these plates collide, pull apart, or slide past each other, causing earthquakes and volcanic eruptions.