Stress in Earth's Crust
The type of stress that pulls rocks apart.
Tension
Underwater earthquakes cause this.
Tsunami
There are many volcanoes located around the Pacific Ocean basin. This area has received what nickname?
The Pacific Ring of Fire
Explosive
Lava solidifies on the coast or emerges from beneath the water creating _____.
Land
Force per unit area that is placed on a rock.
Stress
The location where an earthquake begins.
Focus
Volcanoes are common along what TWO plate boundaries?
Convergent and Divergent
A gently sloping volcano with a wide base.
Shield Volcano
Water heated below ground rising through cracks creating pools.
Hot Springs
Deformation where the rock returns to its original shape.
Elastic
Waves that move along the ground.
Surface Waves
Place above a mantle plume where melted rock can form a volcano
Hotspot
A tall volcano with steep sides at the top and gentle slopes near the bottom.
Composite Volcano
Eruptions of hot water from below ground
Geysers
Compression is common at this plate boundary
Convergent
Which state receives the most earthquakes each year?
Alaska
Plumes
Eruption material
Tephra
When lava is viscous, it flows slowly – doesn’t move far from vent.
Lava Dome
A fracture with movement on one or both sides.
Fault
What type of faults have a shallow focus?
Transform Faults
A crack in the ground at a divergent plate boundary where magma erupts.
Fissure
Scorching hot tephra, ash, and gas flowing down a mountain.
Pyroclastic Flow
Large amounts of fluid lava flows over an extensive area
Lava Plateaus