Bola

Schichtvulkan 1155 m / 3,789 ft
New Britain Island (Papua Neuguinea), -5.15°S / 150.03°E
Aktueller Status: normal / ruhend (1 von 5)

Bola volcano (or Mt. Wangore) is a symmetrical steep stratovolcano that forms the highest point on the Willaumez Peninsula in New Britain.
There are no known recent eruptions, but the fresh morphology of the summit crater suggests that the last activity was only a few hundred years ago.

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Typische Tätigkeit: explosive & effusive
Ausbrüche: No documented historical eruptions, but eruptions likely a few 100 years ago
Reports of steam from the summit in 1921
Letzte Erdbeben in der Nähe: Keine jüngeren Beben

Beschreibung

Except for the upper parts of the slope, the flanks are vegetated. At the ash covered summit, Bola contains a 400 m wide crater with a 100 m steep cliff on the eastern side and almost no inner wall on the western side. There are active fumaroles in the crater.
The eastern half of the Bola has steep ash slopes. 3 large explosion craters are located on the lower NE flank. Andesite lava flows are located on the western side of the mountain.
The most recent eruptions were lava flows from the summit crater. The flows are at least 50 m thick, and give the volcano a hump when viewed from the north or south.
(Smithsonian / GVP volcano information)

Bola Fotos

The glow from the lava lake is so strong, that it is impossible to photograph parabola of flying bombs. (Photo: Tom Pfeiffer)
The glow from the lava lake is so strong, that it is impossible to photograph parabola of flying bombs. (Photo: Tom Pfeiffer)
The trajectory of the fire hose is a gently curved perfect steep parabola following the laws of ballistic trajectories. (Photo: Tom Pfeiffer)
The trajectory of the fire hose is a gently curved perfect steep parabola following the laws of ballistic trajectories. (Photo: Tom Pfeiffer)
Lavafetzen werden aus dem Vent geschleudert. (Photo: Tom Pfeiffer)
Lavafetzen werden aus dem Vent geschleudert. (Photo: Tom Pfeiffer)
 



Siehe auch: Sentinel hub | Landsat 8 | NASA FIRMS
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