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Volcanism Volcanism in Icelandin Iceland
Local, Global and Economic EffectsLocal, Global and Economic Effects
Why is Iceland Why is Iceland Volcanically Active?Volcanically Active?
Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land
Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land
Since 834 A.D. 18 of the 130 volcanoes have erupted, constituting 30% of global lava flow in the same time period
Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land
Since 834 A.D. 18 of the 130 volcanoes have erupted, constituting 30% of global lava flow in the same time period
Volcanists travel to Iceland to witness Geological effects
Local & Global Effects of Local & Global Effects of Iceland’s VolcanoesIceland’s Volcanoes
Laki Eruption, June 8, 1783
122 megatons of sulfur dioxide into the atmosphere
Laki Eruption, June 8, 1783
Acidic rain resulted in acidic soil, killing and preventing plants from growing
Laki Eruption, June 8, 1783
pH of the aerosol may have been less than 2.0
Energy From the EarthEnergy From the Earth
Geothermal energy has been used since prehistoric times.
Geothermal energy comes from radioactive decay of minerals..
Geothermal energy is released through volcanoes, fumaroles, hot
spring, and geysers
Uses of Geothermal Energy in Iceland
Iceland’s Volcanic Iceland’s Volcanic EconomyEconomy
Economy in Iceland Relies on Earth for Resources
Economy in Iceland Relies on Earth for Resources
Geothermal Energy
Economy in Iceland Relies on Earth for Resources
Oil & Natural Gas
Economy in Iceland Relies on Earth for Resources
Municipal Pools
Volcanism Volcanism in Icelandin Iceland
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