Geological Activity in Iceland

What geological feature does Iceland straddle, leading to its significant volcanic activity?

• The San Andreas Fault

• The Pacific Ring of Fire

• The Himalayan Range

• The Mid-Atlantic Ridge

What has been the impact of the magmatic intrusion beneath Grindvik?

• Formation of a new mountain range

• Creation of a large lake

• Significant surface upheaval and rifting

• Development of a desert

What geological structure is formed when the ground spreads apart due to magmatic activity?

• A plateau

• A delta

• A rift

• A canyon

What is the result of the rock blocks moving apart in the newly formed Rift Valley?

• The formation of a new river

• The creation of a large crater

• The dropping down of the graben

• The rise of a volcanic cone

What ongoing geological process is affecting the adjacent road near the new Rift Valley?

• Sedimentation

• Landslides

• Deformation due to magmatic uplift

• Erosion by water