North America . ession is therefore 4,000 feet.This caldera, as such basins of volcanic origin are termed,is nearly circular, with an east and west diameter measuring6 miles, and a north and south
The slightly asymmetric circular Avyssos (Av) caldera at the southern... | Download Scientific Diagram
Ruta por la caldera de Bandama en Gran Canaria
Volcano - Calderas | Britannica
Caldera // Woven Beaded Earrings on a Circular Metal Frame - Etsy