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What is the difference between Active and inactive faults?
An active fault is a fault that has displayed recent seismic activity, while an inactive fault has not displayed recent seismic activity.Do not be fooled by the word "recent," however, as we are talking about "recent" from a geological perspective, which is much different from a non-geologic perspective. Because of the fickle nature of plate tectonics, an active fault could have earthquakes as often as once every few years or once every one thousand years. Conversely, it's very hard to call a fault inactive if we don't know it's quake history, and for some faults, geologists will wait ten thousand years in between quakes to call them inactive.There are a variety of techniques that geologists can use to help them determine the frequency of earthquakes among faults, however. If a history of quakes coming from the fault are available, scientists can look at the average period of time in between quakes to determine whether a fault is presently "active" or "inactive." Scientists can also measure creep among fault lines to check for seismic activity.There really is no way to concretely define a fault as "active" or "inactive" (especially because inactive faults can suddenly become active again), but it's more or less safe to say that if a fault hasn't shown tectonic activity for about 5,600 years, it's probably inactive.++Just to add to that explanation, if movement occurs on long-quiescent fault in a new phase of tectonic activity, the fault is described as 're-activated', and the new movement can be the opposite to the original.
What are convergent divergent and transform boundaries?
Boundaries, or faults, are locations on the edges of plates, crustal masses that are very slowly moving atop the convective outer mantle (asthenosphere).At convergent boundaries, two crustal masses (plates) are pushing into each other. This can result in subduction, so may be a destructive boundary.At divergent boundaries, two masses of rock are pulling away from each other. This can be a constructive boundary when it produces rifting and seafloor spreading.At transform boundaries, or transform faults, rock masses move past one another. These are known as conservativeboundaries because crust is neither destroyed or created.(these can cause earthquakes when accumulated strain is released)
What are Faults where few earthquakes have occurred are called?
If there is little or no earthquake activity on a fault, or a section of a fault then it may be: Inactive (no longer moving) Locked (If it is known to be building up strain for a future large earthquake, i.e. San Andreas) or It may be releasing nearly all it's stress by creeping, rather than in large quakes.
What type of fault causes the most damaging earthquakes?
Earthquakes that causes most damage when two plates crashed and one plate moves upwards vertically than the other plate. There is not really a name for what earthquake does the most damage. I'm doing a unit for grade 7, and it has the same question you just asked. Sorry if this did not help! if it did,, you're you are super duper welcome.!!~ Daniela
How many plates are in earth that causes quakes?
All of the earth's tectonic plates have the potential to shift and cause an earthquake. However most of the time they only have the potential and some are more likely to shift than others.
What do transform boundarys form?
they forn earthquakes
What are possible results from a transform boundry?
Continental rupture, earth tremors and quakes.
Are there earthquakes in Dubai?
There are two faults in the UAE: the Western Coastline Fault and the Dibba fault zone. Both are strike-slip faults.
What could sea floor spreading produce?
earth quakes
Which boundaries can produce earth quakes?
Earthquakes can occur at tectonic plate boundaries, such as convergent boundaries where plates collide, divergent boundaries where plates move apart, and transform boundaries where plates slide past each other. The stress from the movement of these plates can cause the crust to fracture and release energy in the form of an earthquake.
Which kind of fault is a result f a pulling force?
The kind of fault you may be contemplating about is a transform fault which occurs like all earth quakes when the Earth's tectonic plates move as sea currents change there appearance. A transform fault is the force of two surfaces rubbing across each other creating huge earth quakes like the ones of 1906 and 1989 in San Andreas.
If Mars had earthquakes, would they be marsquakes?
yes im doing a project on sun quakes, moon quakes, and mars quakes
What are three types of faults in Earth science?
There are strike- slip faults, normal faults, and reverse faults. A strike slip fault is where the ground moves past each other. A normal fault is where the plates move pull apart and the plates move up and down. A revers fault is where the plates push into each other and move up and down.
When was Rancho Cucamonga Quakes created?
Rancho Cucamonga Quakes was created in 1966.
What four types of plate moments can cause earthquakes?
Earthquakes can be caused by four main types of plate movements: divergent, convergent, transform, and intraplate stresses. Divergent boundaries occur when tectonic plates move apart, leading to volcanic activity and earthquakes. Convergent boundaries happen when plates collide, often resulting in powerful quakes and the formation of mountains or trenches. Transform boundaries involve plates sliding past each other horizontally, which can produce significant seismic activity due to the friction and stress that builds up.
When was San Fernando Valley Quakes created?
San Fernando Valley Quakes was created in 2006.
How faults produce quakes?
When the strain built up across the fault is more than the rocks can stand, those rocks break suddenly and the fault shifts. The mechanical waves radiating out from the breaking rocks produces the earthquake when they reach the surface.There are several different kinds of earthquake waves:P-waves, pressure wavesS-waves, shear wavesRayleigh wavesLove wavesStoneley wavesFree oscillationsSee: http://en.wikipedia.org/wiki/Seismic_wave#Types_of_seismic_waves
