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After about 10 seconds, the first blocks impact on the water, while the ash could and the small pyroclastic flows on the flank of the cone expand and develop further. (Ph...
File: _D702865.jpg | 8162 Hits Copyright: Jorge Santos --- Image found in Anak Krakatau eruption July 2009 - anatomy of an explosion ... and in: Photo of the Day ... and in: Photo of the Week
Small pyroclastic flows on both sides of the upper cone of Caliente lava dome. (Photo: Tom Pfeiffer)
File: gua_i20755.jpg | 2784 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com --- Image found in Photo of the Day
Shortly after the earthquake on 27 May 2006 (the same one that hit Yogyakarta), a number of larger pyroclastic flows are triggered from the lava dome. (Photo: Tom Pfeiff...
File: merapi_d6432.jpg | 3221 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com --- Image found in Merapi eruption May 2006 ... and in: Photo of the Day
The billowing ash clouds at the front of the flow. The forest in the foreground gives an idea of the scale. (Photo: Tom Pfeiffer)
File: merapi_d6409.jpg | 2352 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com --- Image found in Merapi eruption May 2006
A pyroclastic flow on the SE side of Merapi volcano. In the area of its path, the thick forest covering the slopes of the steep stratovolcano has been completely destroye...
File: merapi_d6426.jpg | 2547 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com --- Image found in Merapi eruption May 2006 ... and in: Photo of the Day
A stronger burst of ash creates small pyroclastic flows on the upper slope of the cone. (Photo: Tom Pfeiffer)
File: gua_i20751.jpg | 1897 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com
View of the steep SW slope of Merapi volcano with a pyroclastic flow descending from the collapsing lava dome. (Photo: Tom Pfeiffer)
File: merapi_d6454.jpg | 2289 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com --- Image found in Merapi eruption May 2006
A spectacular geologic outcrop at the western Yasur caldera rim exposes a 3-4 meter thick, solid red deposit which in fact probably is a deposit from a spatter-rich pyroc...
File: vanuatu_g15370.jpg | 1664 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com --- Image found in Vanuatu May 2009: colors
Pyroclastic flow travelling down the Krasak ravine; at the beginning, it is preceded by a glowing rock-fall. (Photo: Tom Pfeiffer)
File: merapi_d6392.jpg | 1739 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com --- Image found in Merapi eruption May 2006
The ash plume rising from the pyroclastic flow. (Photo: Andi / VolcanoDiscovery Indonesia)
File: andi-2014-9923.jpg | 372 Hits Copyright: Andi / VolcanoDiscovery Indonesia --- Image found in Batu Tara volcano Nov 2014: pyroclastic flow
Seconds later: Collapsing lava from the explosion and parts of the dome start to slide down the sciara, turning into a dense, turbulent mixture of lava blocks and ash - a...
File: tilmann-2014-1200.jpg | 504 Hits Copyright: Tilmann --- Image found in Batu Tara volcano Nov 2014: pyroclastic flow
Intraplate volcanism A third tectonic setting where volcanism occurs is believed to be the result of mantle plumes and not directly related to plate boundaries. So called hot spot volcanoes fall into this category.
Colors of Iceland Mighty waterfalls, hot pools and geysers, giant glaciers , ... Explore the variety of Iceland´s landscapes learn how they were formed through tectonic plates drifting apart and different types of volcanism.
Batu Tara photos A remote island in the Flores Sea of Indonesia formed by a single volcano that has been in strong strombolian eruption for years. We regularly lead expeditions to there where we camp several days to observe it.