01 / GeologyWhy does Iceland have so many volcanoes?
Iceland straddles the Mid-Atlantic Ridge, where the North American and Eurasian plates move apart. Magma can rise through weaknesses in the crust, and volcanism beneath the island continually adds new rock to the landscape.
02 / A landscape in motionEruptions and volcanic systems
Eruptions have built Iceland over long periods. Fissures, craters and central volcanoes can belong to the same system. This evergreen guide does not present current eruption status or access to closed areas.
03 / From fire to landscapeLava and lava fields
When magma reaches the surface it becomes lava. Flow, cooling and erosion create varied forms; young lava remains fragile and can be unstable long after an eruption ends.
Volcanoes
Magma reaches the surface through fissures and vents.
Eruptions
Eruptions can build craters, lava and ash layers.
Landscape
Cooling and erosion shape what visitors see.
Volcanoes beneath glaciers
Some Icelandic volcanic systems lie beneath ice caps. Heat can melt ice and meltwater may collect or escape from beneath the glacier, linking volcanism, glaciers and glacial outburst floods.
05 / Below the surfaceVolcanism and geothermal heat
Hot rock and water in the crust create geothermal systems visible as steam vents, hot springs and mud pots.
06 / SafetySafety in volcanic areas
Respect closures, marked routes and official instructions. Gas, hot or recent lava, unstable ground and sudden weather changes can be hazardous. Always check current information from official authorities.
This is general guidance, not a live hazard assessment.
From geology to your journey
Connect Iceland's geology with the Highlands, the places collection and facts about the country.
From the places databaseVolcanoes in the database
Only published places assigned to volcano categories in the database appear here. Missing fields are simply omitted.
No related places were found.
Land of fire and ice
FAQFrequently asked questions
Why are there so many volcanoes in Iceland?
The island lies on a plate boundary and above an active magmatic system.
How many active volcanoes are in Iceland?
The number depends on how a volcano and activity are defined, so this page does not present one unsourced figure.
Which volcanoes can I visit?
Explore the listed places, but always verify access, closures and conditions before departure.
Are there volcanoes beneath glaciers?
Yes, several volcanic systems lie beneath Icelandic glaciers.
Is it safe to visit volcanic areas?
It depends on conditions. Follow closures, marked routes and current official guidance.
How have eruptions shaped Iceland?
They have created lava fields, craters, ash layers and much of the island's bedrock.