Most of these photographs are typical of those I have found of El Tatio and show just steam. Photographs of actual eruption are hard to find. Pic 5 Pic 6 Pic 7 . Seems like sunrise is the most popular time to take photos. Photo of a power plant near El Tatio from the Corbis site.
Geothermal development threatens many of the world's geysers.
Last photo on page is El Tatio. I nternational Geothermal Association page with data for Chile has information on the geothermal resources of the El Tatio area. Development of these resources could destroy these geysers. Pictures of El Tatio on Philippe Noth's Cyber-Noth site . The diary contains his account of his visit to El Tatio in May 1998. which included icy river crossings in the dark, getting lost, driving into Bolivia and back before finally reaching El Tatio .