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Volcano Calendar 2019
: We're proud to present our 2019 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.
: "One of the most eye-catching guides to the world’s volcanoes ever published.
: Our professional team of volcanologists and photographers offers unique travel opportunities: volcano expeditions, photo tours, and relaxed walking & study tours.
The Volcano Adventure Guide
: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
Volcanic activity worldwide 18 Jun 2015: Cleveland volcano
Thursday Jun 18, 2015 21:00 PM | Cleveland (Aleutian Islands, Alaska)
: The Alaska Volcano Observatory detected that a new (so far minor) eruptive episode has started at the volcano recently:
"Elevated surface temperatures have been detected in satellite images at the summit of Cleveland for the past week, and an image from June 14 shows very light ash cover on the volcano's upper flanks. Thus the volcano has entered a renewed period of unrest and we are raising the Color Code to Yellow and the Alert Level to Advisory.
The increase in temperature at the summit is consistent with renewed growth of the small lava dome within the summit crater. The possibility of sudden explosions has increased." (AVO)
Tuesday, Jun 16, 2015
: (16 Jun
) A small eruption occurred at the volcano this morning around 9am local time. ...
Sunday, Jun 14, 2015
Sinabung (Sumatra, Indonesia)
: (14 Jun
) Pyroclastic flows caused by collapse of parts of the viscous dome on the volcano's summit have started to be more frequent and larger again. Yesterday, about ten flows were generated that descended both through the SE and the ENE channel, reaching up to 3 km distance. ...
Friday, Jun 12, 2015
: (12 Jun
) The Japan Meteorological Agency (JMA) raised the alert of the volcano from 1 to 2 (on a scale of 1-5), as the volcano has recently been showing growing signs of unrest - increased seismic activity and strongly elevated gas emissions. ...
Wednesday, Jun 10, 2015
: (10 Jun
) Ash emissions were seen on satellite imagery yesterday. The volcano has been producing intermittent ash-rich strombolian to vulcanian explosions for years. ...
Meer op VolcanoDiscovery:
: A physically active tour to visit and climb some of Indonesia's most active and famous volcanoes: Papandayan and Galunggung in West Java, Merapi in Central Java, Kelud, Semeru, Bromo, the Tengger caldera, and Ijen in East Java.
Divergent plate boundaries in oceans
: Two ocean plates move apart from each other. Hot upwelling mantle material forms magmas that continuously produce new oceanic crust. An ocean widens.
: 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.