St. Helena hotspot
The St. Helena hotspot is a volcanic hotspot located in the southern Atlantic Ocean. It is responsible for the island of St. Helena and the St. Helena Seamount chain. It is one of the oldest known hotspots on Earth, which began to produce basaltic lava about 145 million years ago.
|This article about a location in Saint Helena is a stub. You can help Wikipedia by expanding it.|
|This volcanology article is a stub. You can help Wikipedia by expanding it.|