Raung volcano (East Java, Indonesia): photos August 2015
With a small group we climbed Raung during 14-15 August 2015. The hike involves approx. 20 km trekking and almost 2000 m climbing along a mostly overgrown path as only few people visit this spectacular volcano, even though it is one of Indonesia's most active ones.
We might have witnessed the end of the large 2015 summit eruption, which during June-early August produced large lava flows, lava fountains and significant ash plumes.
We might have witnessed the end of the large 2015 summit eruption, which during June-early August produced large lava flows, lava fountains and significant ash plumes.
 In the morning of 14 August, the volcano is very active, producing ash plumes every few minutes. We ... [info] (1142 Hits) |  After several hours, we are at the steeper lower slope of the Raung stratovolcano. Only occasionally... [info] (994 Hits) |
 A large canyon is cut into the northern slope, exposing a steep wall several hundred meters tall. (P... [info] (947 Hits) |  As we continue to climb, Raung continues to greet us with ash puffs. (Photo: Tom Pfeiffer) [info] (905 Hits) |
 The last 300 m of the volcano are barren rock and sandy ash. (Photo: Tom Pfeiffer) [info] (937 Hits) |  On the final ascent towards the crater rim. (Photo: Tom Pfeiffer) [info] (915 Hits) |  View of the immense, 2 km wide summit crater, a small caldera surrounded by steep walls 4-500 m deep... [info] (2207 Hits) |
 Frequent ash eruptions produce a plume rising a few hundred meters and drifting SW. (Photo: Tom Pfei... [info] (1535 Hits) |
 View of the eastern crater walls. (Photo: Tom Pfeiffer) [info] (1172 Hits) |  Ash eruption in the early afternoon. (Photo: Tom Pfeiffer) [info] (1215 Hits) |  Raung volcano, East Java, Indonesia: The new cinder cone has two main vents; the smaller to the SW w... [info] (1475 Hits) |  Dark jets of ash and blocks as well as white steam expelled suggest that interaction of magma and wa... [info] (1108 Hits) |
 Close-up of an eruption from the SW vent. (Photo: Tom Pfeiffer) [info] (1398 Hits) |
 View of the flat lava flow, no longer active, as it had touched the eastern caldera wall. (Photo: To... [info] (1142 Hits) |  Rim of Raung volcano's large summit caldera (July 2015, East Java, Indonesia) (Photo: Tom Pfeiffer) [info] (1227 Hits) |  In the late afternoon, activity stops and did not resume (at least until 16 Aug when we had last dis... [info] (1334 Hits) |
 View towards the extinct neighbor volcano Gunung Suket (2950 m) to the NE of Raung. (Photo: Tom Pfei... [info] (983 Hits) |  Sunset light on the eastern caldera walls of Raung volcano (East Java, Indonesia) (Photo: Tom Pfeiff... [info] (985 Hits) |
 Two very weakly active effusive vents inside the main crater feed tiny lava flows - no other signifi... [info] (886 Hits) |  View from the basecamp at night, at 2750 m elevation near the end of the vegetation, illuminated by ... [info] (1305 Hits) |
