Strokkur, Haukadalur Valley, Iceland

Water at a depth of 23 metres (75 ft) is around 120 °C (248 °F), but cannot boil because of the weight of the water pushing down on it from above. When this water is forced up to around 16 metres (52 ft), some of the water may be above boiling point, which sets off the chain reaction: the pressure decrease allows more water to boil and flash boil into steam, which drives the unboiled water further up the conduit. As this happens closer and closer to the surface, with increasing velocity, the water and steam is forced out, and it is this mixture of water and steam that forms the eruption.

en.wikipedia.org/wiki/Strokkur

Nearby is the famous geyser Geysir (sometimes known as The Great Geysir), in the Haukadalur valley, Iceland, the first geyser described in a printed source and the earliest geyser known to modern Europeans. The English word geyser (a spouting hot spring) derives from Geysir. The name Geysir itself is derived from the Icelandic verb geysa, "to gush", the verb from Old Norse. Geysir lies on the slopes of Laugarfjall hill, which is also the home to Strokkur geyser about 50 metres south. Eruptions at Geysir can hurl boiling water up to 70 meters in the air. However, eruptions may be infrequent, and have in the past stopped altogether for years at a time.

en.wikipedia.org/wiki/Geysir

Taken in: Ísland / Arnessysla (show map)

Taken on: July 4, 2009

Tags:

Strokkur

fountain geyser

Haukadalur

Haukadalur area

Geysir

Строккюр

ストロックル間欠泉

geology

water

eruption

Хаукадалур

Iceland

아이슬란드

Aisilantu

ไอซ์แลนด์

アイスランド

איסלנד

冰島

冰岛

Gwlad yr Iâ

IJsland

Innis Tìle

an Íoslainn

Island

Ísland

Исланд

איסלאַנד

Islanda

Islandë

Islande

Īslande

Islandia

Lupangyelo

Իսլանդիա

Islàndia

Ισλανδία

Islândia

Islandija

İslandiya

Иcлaндия

Іcлaндія

Islando

Islandska

Islanti

Izland

İzlanda

Ysland

ஐஸ்லாந்து

آيسلندا

Ісландыя

Исландия

ایسلند « less

Sets appears in: • Iceland / Ísland

Groups appears in: • Iceland. • visit the world - the travel guide more » • GeoTagging Flickr • Europe in Pictures • This Is Europe • Beautiful Iceland • Geysers • Iceland - Landscape • Geologicpedia: learn geology through images. • Scenics, not just landscapes! « less

Camera: Sony DSC-W120, f/7.1, 1/1600 sec, 5.3mm, ISO 125 (more info) (hide info)

Camera:	Sony DSC-W120
Aperture:	f/7.1
Exposure Time:	0.001 sec (1/1600)
Focal Length:	5.3mm
ISO:	125
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Landscape
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Scene Capture Type:	Landscape
Color Space:	sRGB
Software:	Adobe Photoshop CS5.1 Windows
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