Krafla

The Fires of Mývatn

818m Height
1975-1984 Krafla Fires
10km Caldera Width

About Krafla

A massive volcanic caldera system in North Iceland, famous for the dramatic "Krafla Fires" eruptions and its turquoise Víti crater lake. The area remains highly active with extensive geothermal features.

🌋 Volcanic System

  • 10 km wide caldera
  • Part of 100 km long fissure system
  • 29 eruptions in recorded history
  • Active magma chamber at 3-7 km depth

📍 Location

  • Near Lake Mývatn, North Iceland
  • 100 km from Akureyri
  • Part of Northern Volcanic Zone
  • Accessible year-round by paved road

🔥 Recent Activity

  • 1975-1984: Nine eruptions (Krafla Fires)
  • 1724-1729: Mývatn Fires
  • Ongoing inflation since 1984
  • Active geothermal exploitation

The Krafla Fires (1975-1984)

Nine years of dramatic volcanic activity that reshaped the landscape and provided invaluable scientific insights into volcanic processes.

🔬 Scientific Revolution

The Krafla Fires were among the most studied eruptions in history, revolutionizing understanding of rifting processes and magma chamber behavior. Scientists documented ground inflation/deflation cycles linked to magma movement.

Eruption Pattern

  • 9 separate eruptions over 9 years
  • Lava fountains up to 1 km high
  • 35 km² covered by new lava
  • Ground inflation up to 2 meters

Impact

  • No fatalities or major damage
  • Threatened geothermal power plant
  • Created new lava fields (Leirhnjúkur)
  • Tourist attraction development

Geothermal Wonderland

🌊 Víti Crater

  • 320m wide explosion crater
  • Turquoise geothermal lake
  • Created in 1724 eruption
  • Name means "Hell" in Icelandic

♨️ Leirhnjúkur

  • Active fumaroles and mud pots
  • Steaming lava from 1984 eruption
  • Colorful sulfur deposits
  • Marked hiking trails through lava

⚡ Power Plant

  • 60 MW geothermal power station
  • Drills into 2,200m deep wells
  • Supplies North Iceland with power
  • Tours available of facility

Visiting Krafla

📍 Getting There

  • 1.5 hours from Akureyri
  • Paved road all the way (Route 863)
  • Open year-round (weather dependent)
  • Combined with Mývatn area visits

🥾 Main Attractions

  • Víti crater viewpoint (5 min walk)
  • Leirhnjúkur lava field hike (1-2 hours)
  • Krafla power plant visitor center
  • Námafjall geothermal area nearby

🏊 Nearby Mývatn

  • Mývatn Nature Baths (15 min)
  • Dimmuborgir lava formations
  • Pseudocraters at Skútustaðir
  • Rich birdlife at lake

Location