Terrible Tectonics 2-Vocab Flashcards
To vocare
Define
Magnitude
- The strength of an earthquake measured on the Richter Scale from 1-10.
Define
Volcanic Explosivity Index (VEI)
The destructive power of an eruption on a scale or 1-8.
Define
Subduction Zone
Where the dense oceanic plate slides under the lighter less dense continental plate.
Define
Collision Zone
Where 2 continental plates of similar density meet and fold togethe rpushing up and forming mountainous landscapes.
Define
Short-term Aid
When a government or organisation provides assistance such as food and shelter.
Define
Long-term Aid
Where a groupgovernment or organisation provides assistance such as training and healthcare provisions.
Define
Primary Impacts
The immediate impacts of a natural disaster that occur during/as a direct result. E.g. bridges collapsing in an earthquake.
Define
Secondary Impacts
The impacts that follow on as a result of a natural disaster. E.g. emergency services unable to access an area easily due to collapsed bridges.
Define
Long-term Planning
These are usually put in place by HICs as they can afford the costs of preparing for a natural disastersuch as Japan making buildings earthquake proof using a damper.
Define
Tsunami
A huge wave caused by the uplifting of a tectonic plate which brings a powerful flood that is very destructive and can be a secondary impact to an earthquake.