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25 May 2018: Etna Trekking Tour - Etna volcano
9-17 Jun 2018: From Stromboli to Etna - Eolian Islands + Etna volcano (Italy)
24 Jun - 1 Jul 2018: Nyiragongo Lava Lake & Mountain Gorillas - DR Congo + Rwanda
12-14 Jul 2018: Krakatau Volcano Special - Krakatau volcano, Sunda Strait
15-31 Jul 2018: Volcanoes and Spices - N-Sulawesi + Halmahera (Indonesia)
22-27 Jul 2018: Adventure Volcano - Yasur Volcano Travel - Tanna Island (Vanuatu)
22 Jul - 5 Aug 2018: Volcanoes and Cultures - Adventures in the South Sea - Vanuatu (South Sea)
26 Jul - 5 Aug 2018: The Volcanoes of Ambrym - the Grand Traverse - Vanuatu (South Sea)
30 Jul - 13 Aug 2018: Colors of Iceland: Fire, Earth, Ice and Water - Iceland
15-31 Aug 2018: Volcanoes and Spices - N-Sulawesi + Halmahera (Indonesia)
: spaces available / : guaranteed / : few spaces left / : booked out
Random pictures

Summary of the geologic history of Mt Hood volcano

Summary of Mt Hood's geologic history (USGS open file report 97-89)
The graphic has been taken from the  USGS Open File Report 97-89 VOLCANO HAZARDS IN THE MOUNT HOOD REGION, OREGON.
 

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