Hazards
Gravity acts on unstable slopes as a result of weathering and erosion. They can also be triggered by earthquakes.
Outline natural causes of landslides
Oceanic Crust subducts below a Continental Plate causing a build-up of friction and elastic strain
How do shallow and deep earthquakes occur at a subduction zone?
Mafic, high silica
Characteristics of explosive volcanoes
Loss of life, landslides, pyroclastic flows, floods
Describe some of the impacts that natural disasters have on the biosphere
Divergent boundaries
Effusive eruptions commonly occur at this plate boundary.
So2 - sulfur dioxide
1991
Mt Pinatubo eruption
mafic low silica effusive eruptions.
35km
What was the height of the ash cloud from the eruption of Mt. Pinatubo?
0.5 degrees Celsius
How much did the global temperature initially drop from Mt. Pinatabuo's eruption
Mix of ash and water
What is the composition of Lahrs
2022
When did floods impact the North Coast