Mudpots at Namaskard geothermal area (Namafjall-Hverarond), near Lake Myvatn and Reykjahlid, North Iceland, Iceland, Polar Regions

Geothermal activity of mudpots, geysers, and hot springs, at Geysir, Haukadalur valley, Golden Circle, Iceland, Polar Regions

Geothermal activity of mudpots, hot springs and fumaroles, at Krisuvik (Krysuvik-Seltun), Reykjanes Peninsula, south-west Iceland, Iceland, Polar Regions

Mudpots at Namaskard geothermal area (Namafjall-Hverarond), near Lake Myvatn and Reykjahlid, North Iceland, Iceland, Polar Regions

Geothermal activity of mudpots, hot springs and fumaroles, at Krisuvik (Krysuvik-Seltun), Reykjanes Peninsula, south-west Iceland, Iceland, Polar Regions

Tourists watching geothermal activity of mudpots, hot springs and fumaroles, at Krisuvik (Krysuvik-Seltun), Reykjanes Peninsula, south-west Iceland, Iceland, Polar Regions

Namafjall Geothermal Area in Iceland, Europe

Namafjall Geothermal Area in Iceland, Europe

Namafjall Geothermal Area in Iceland, Europe

Sulphur deposits at 'Bumpass Hell', the largest area of mudpots and steam vents at this national park around Lassen Peak volcano, Lassen volcanic national park, California, Usa

Sulphur deposits at 'Bumpass Hell', the largest area of mudpots and steam vents at this national park around Lassen Peak volcano, Lassen volcanic national park, California, Usa

Sulphur deposits at 'Bumpass Hell', the largest area of mudpots and steam vents at this national park around Lassen Peak volcano, Lassen volcanic national park, California, Usa

Solfataras, fumaroles, mud pots, sulfur and other minerals, a woman on the viewing platform at the back, high-temperature geothermal area or Hverarond or Hverir, Namafjall mountains, Myvatn area, Norourland eystra, Iceland, Europe

Seltun, Seltun, hot springs and mud pots, geothermal area, Krysuvik high temperature area, Krisuvik, Reykjanes peninsula, near Reykjavik, Iceland, Europe

Boiling mud, splashing mud pot, high-temperature area Namaskaro or Namskard, Namafjall, Myvatn or Myvatn, North Iceland, Iceland, Europe

Mud bubble, mud pot, high temperature area Namaskaro or Namskard, Namafjall, Myvatn or Myvatn, North Iceland, Iceland, Europe

Geothermal area Hveraroend with mudpots, fumarales and solfataras near lake Myvatn and the ring road. europe, northern europe, iceland, February