Photo by Christian Treber, used by permission. Some of Christian's images can be found on the Volcano World site , these include some great pictures of fumeroles in the volcanic crater on White Island New Zealand. The photo just above is a picture of Christian Treber and a fumerole in New Zealand called Noisy Nelly. This photo used with the permission of Mr. Treber . Ocean Blow Holes photo of a blowhole at Koko Head, Hawaii by Werner Stoy Ocean blow holes are powered by the surf and not the heating of water .
Blow holes can look like geysers.
Consider this beautiful photograph by Lilian Mellon of Spouting Horn in Hawaii. Springs Periodic springs are caused by interruptions to siphon action caused by irregularities in cave system through which they flows. An example is Periodic Spring on Swift Creek near Afton, Wyoming. A Picture of Periodic Spring and some short Quicktime video clips of the spring in action from Geyser Mineral Water Page. The drawing on this page could have been my house on several occasions, just ask her.