Caldeira das sete cidades

caldeira das sete cidades

What does Sete Cidades mean in Portuguese?

Sete Cidades. References. Lagoa das Sete Cidades (Portuguese: [lɐˈɡo.ɐ dɐs ˈsɛt(ɨ) siˈdadɨʃ], Lagoon of the Seven Cities) is a twin lake situated in the crater of a dormant volcano on the Portuguese archipelago of the Azores.

What is the legend of Lagoa das Sete Cidades?

Legend An 1876 engraving/image of Lagoa das Sete Cidades Panorama of the Lagoa das Sete Cidades, showing the Green Lake (left) and the Blue Lake (right) divided by bridge The Blue Lake as seen from the edge of the water; phytoplankton blooms have caused the normally blue water to seem green

What type of volcano is Lake Sete Cidades?

The lake is situated within the caldera of the Sete Cidades Massif, an ancient volcano built on various layers of ash, pyroclasts and trachyte and basaltic lavas. It is a stratovolcano constructed from alternating phases of explosive and effusive ejecta, from dominantly basaltic pre-caldera eruptions,...

What type of volcano is Sete Cidades?

Sete Cidades volcano at the western end of Sao Miguel Island contains a 5-km-wide summit caldera occupied by two caldera lakes. The steep-walled, 500-m-deep caldera was formed about 22,000 years ago, and at least 22 post-caldera eruptions have occurred.

How old is Sete Cidades?

Sete Cidades volcano at the western end of Sao Miguel Island contains a 5-km-wide summit caldera, occupied by two caldera lakes, that is one of the scenic highlights of the Azores. The steep-walled, 500-m-deep caldera was formed about 22,000 years ago, and at least 22 post-caldera eruptions have occurred.

What is Sete Cidades lake made of?

The lake is situated within the caldera of the Sete Cidades Massif, an ancient volcano built on various layers of ash, pyroclasts and trachyte and basaltic lavas.

Is the Lagoa das Sete Cidades one lake?

Although, hydrologically, the Lagoa das Sete Cidades is one lake, most refer to it as two separate bodies: Lagoa Verde and Lagoa Azul.

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