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Volcán bromo (East Java, Indonesia), febrero de 2011: actividad estromboliana

La mayoría del material expulsado durante la erupción actual es ceniza y bloques de las paredes del cráter y conduit. Material incandescente (es decir, magma fresco) fue observada por primera vez en Bromo en diciembre de 2010. Actividad estromboliana suave era visible por la noche durante nuestro recorrido de 15-19 Feb, normalmente accomanied por silbantes y suaves sonidos de explosión. Al menos dos diferentes orificios de ventilación estaban activas dentro de cráter de Bromo. La mayoría de la actividad estromboliana tuvo lugar desde la salida de ventilación en la w la mitad (a la derecha en las fotos) del cráter, mientras un respiradero en la oriental la mitad (izquierda) fue el sitio principal de las emisiones de ceniza y ocasionales explosiones poderosas acompañadas por fuertes detonaciones y ondas de choque castañetear ventanas hasta varios de kilómetros de distancia.
A powerful vulcanian-type explosion shakes the ground. Many incandescent bombs are thrown many hundreds of meters into the night sky, and many of them land outside the crater. Note, that most blocks are actually NOT glowing, making a further approach to Bromo quite dangerous. (Photo: Tom Pfeiffer)
A powerful vulcanian-type explosion shakes the ground. Many incandescent bombs are thrown many hundr... [info]
(7468 Éxitos)
Bromo and the Hindu temple at its feet in a moonlit night. Jorge has his camera set up for the next eruption. (Photo: Tom Pfeiffer)
Bromo and the Hindu temple at its feet in a moonlit night. Jorge has his camera set up for the next ... [info]
(2268 Éxitos)
Another powerful explosion throws a barrage of bombs onto the outer flanks of the cone. Only few of the ejected blocks are actually glowing. (Photo: Tom Pfeiffer)
Another powerful explosion throws a barrage of bombs onto the outer flanks of the cone. Only few of ... [info]
(3958 Éxitos)
Dense ash clouds are produced by vulcanian-type explosions. In this long exposure night time shot, the ash cloud is blurred against the moon-lit landscape. Bromo's Hindu temple in the foreground. (Photo: Tom Pfeiffer)
Dense ash clouds are produced by vulcanian-type explosions. In this long exposure night time shot, t... [info]
(4880 Éxitos)
Mild strombolian activity at dawn (Photo: Tom Pfeiffer)
Mild strombolian activity at dawn (Photo: Tom Pfeiffer) [info]
(1983 Éxitos)
View onto Bromo crater with a strong strombolian eruption in bright moonlight. The ash, blurred in the long exposure, hides many blocks. (Photo: Tom Pfeiffer)
View onto Bromo crater with a strong strombolian eruption in bright moonlight. The ash, blurred in t... [info]
(4466 Éxitos)
The glowing vent(s) illuminate the diffuse steam and ash plume above Bromo's crater bright red at night. (Photo: Tom Pfeiffer)
The glowing vent(s) illuminate the diffuse steam and ash plume above Bromo's crater bright red at ni... [info]
(4237 Éxitos)
Mild strombolian activity at Bromo's western vent. (Photo: Tom Pfeiffer)
Mild strombolian activity at Bromo's western vent. (Photo: Tom Pfeiffer) [info]
(3027 Éxitos)
Panoramic view over Bromo volcano in strombolian activity at night. The ash plume is drifting eastwards. (Photo: Tom Pfeiffer)
Panoramic view over Bromo volcano in strombolian activity at night. The ash plume is drifting eastwa... [info]
(3412 Éxitos)
The Hindu temple at the foot of Bromo volcano, East Java, Indonesia (Photo: Jorge Santos)
The Hindu temple at the foot of Bromo volcano, East Java, Indonesia (Photo: Jorge Santos) [info]
(2313 Éxitos)
Eruption of Bromo volcano behind the Hindu temple (Photo: Jorge Santos)
Eruption of Bromo volcano behind the Hindu temple (Photo: Jorge Santos) [info]
(2133 Éxitos)
The glowing crater of Bromo seen from the hotel on the caldera rim, ca. 2 km distance, at night (18 Feb. 2011). (Photo: Tom Pfeiffer)
The glowing crater of Bromo seen from the hotel on the caldera rim, ca. 2 km distance, at night (18 ... [info]
(2678 Éxitos)

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