Caldeira de Guilherme Moniz
TER 3
38º 42'31''N 27º 12'42''W
The “Guilherme Moniz” collapse caldera is a 4.3×2.3 km depression formed about 23,000 years ago. “Serra do Morião” makes the S and W rims, and the N and E borders are absent. The caldera bottom is filled by recent tephra and lava flows, like those extruded from “Algar do Carvão” scoria cone.
