Strokkur geyser - geysir
Strokkur (Icelandic for "churn") is a geyser in the geothermic region beside the Hvítá River in Iceland at 64°18′46.55″N, 20°18′3.48″W.
Strokkur is only a few metres away from Geysir. However, unlike Geysir which erupts infrequently and may be dormant for years at a time, Strokkur erupts very reliably every 5-10 minutes, hurling boiling water to heights of up to 20 metres (70ft) towards the sky. After a few seconds, the fountain subsides and the waters around it calms down. During these times, Strokkur appears as a sheet of clear water surrounded by steam.