Which are the names of the plates that are remnants of the Farallon Plate?
Juan de Fuca (North of California)
Cocos Plate (South of California)
during an earthquake, it is the underground location where the sudden movement occurs from energy built up that is released at a fault line
the point on the earth's surface right above the focus
the amount of energy released during an earthquake
a method developed by California geologist Charles Richter
scale from zero to twelve (not felt to catastrophic)
What is the difference between a Richter Scale rating of 4 to 5?
a shaking amplitude that is 10 times larger
The slow, steady downhill movement of soil and loose rock on a slope
the ground motion and resultant impact of an earthquake
What is a method that is used to measure an earthquake's intensity?
Blind Thrust Fault
a fault line where the rocks primarily shift vertically but the fracture does not reach the surface
Opposite to (1)_______ processes, which tend to increase the relief of the earth's surface, the (2)________ processes tend to lessen the relief by weathering and eroding down higher lands and filling up lower lands with the resulting sediments.
Examples of internal forces...
earthquakes, fault movements, and volcanic eruptions