Strokkur (Icelandic for "churn") is a fountain geyser located in a geothermal area beside the Hvítá River in Iceland in the southwest part of the country, east of Reykjavík. It is one of Iceland's most famous geysers, erupting once every 6-10 minutes. Its usual height is 15-20 m, although it can sometimes erupt up to 40 m high.
Strokkur was first mentioned in 1789, after an earthquake helped to unblock the conduit of the geyser. Its activity fluctuated throughout the 19th century; in 1815 its height was estimated to have been as much as 60 metres. It continued to erupt until the turn of the 20th century, until another earthquake blocked the conduit again. In 1963, upon the advice of the Geysir Committee, locals cleaned out the blocked conduit through the bottom of the basin, and the geyser has been regularly erupting ever since.
Strokkur and its surrounding areas regularly attract tourists hoping to see the geyser erupt, as it is one of a very few natural geysers to erupt frequently and reliably.
Evolution of the eruption
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- Geography of Iceland
- Geology of Iceland
- Iceland plume
- List of volcanoes in Iceland
- Volcanism in Iceland
- Strokkur - Picturegallery from islandsmyndir.is
- Information and photos of Strokkur
- Movie clip that shows Strokkur erupting
- Panoramic virtual tour of Strokkur
- Live webcam of the Geysir by Mila.is