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Warm spring water seeps out from the volcanic sand near sea level and creates a bizarre miniature landscape of canyons and stream valleys. (Photo: Tom Pfeiffer)
File: vanuatu_g15380.jpg | 1451 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com --- Image found in Vanuatu May 2009: colors ... and in: Photo of the Day
Erosion by rain creates a myriad of small terraces in the ash layers. (Photo: Tom Pfeiffer)
File: ambrym_i0281a.jpg | 159 Hits Copyright: Tom Pfeiffer / www.volcano-photo.com
Walls of active craters are always very unstable. Debris has already deposited on the one-day old snow on the lower terrace inside the crater. (c)
File: est_e31469.jpg | 2676 Hits
--- Image found in Excursion on Etna - climbing the summit craters (Oct. 07)
Erosion gullies and white, hydrothermally altered rocks (Polyvotis crater of Nisyros volcano, Greece) (c)
File: nisyros_d23041.jpg | 3307 Hits
--- Image found in Nisyros March 2008: the volcano ... and in: Photo of the Day
Exploring the unknown We sometimes invite you to "test" new itineraries or destinations with us. Such trips are a reduced cost and require a higher degree of flexibility, but often offer a great deal of adventure.
Latest VAAC alerts The Volcanic Ash Advisory Centers provide near-real time global monitoring of volcanic ash plumes for aviation. Read the latest (or browse past) advisories.
Photos from Kamchatka Kamchatka in Russia's far east is one of world's remotest regions and has an almost unparalleled density of active volcanoes. Look at photos taken during our expeditions from this wonderful corner of the world!