Earthquakes Flashcards
(10 cards)
What is a fault?
A plane of weakness in the earths crust, where rocks on one side of the fracture have moved relative to the other
What is an earthquake?
the vibration of the earth produced by the rapid release of energy
How do earthquakes occur?
123
Outline the differences between dip-slip and strike slip faults?
Dip slip - vertical movement
Strike slip-horizontal movement
Where do earthquakes occur and give examples?
123
Outline the differences between seismic waves?
123
How are earthquakes measured?
Richter Scale
Mercalli scale
Moment magnitude
What are the hazards linked to earthquakes?
Shaking of the ground
Displacement of the earths surface
Liquefaction
Landslides
How are earthquakes mitigated?
Hazard maps
Short term predictions (micro earthquakes)
Ground deformation
Community adjustments
Outline the earthquake case study
123
