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What is platonic earthquake?
Plutonic earthquakes are deep focus earthquakes.
What are the effects of deep focus earthquakes?
Very little, as the earthquake occurs deep underground, hence the deep focus.
What type of earthquakes occur farther inland than other earthquakes?
deep focus
Explain the classification scale used to describe the depth of origin of earthquakes?
Shallow focus (0-70km), intermediate focus (70-300km), and deep focus (greater than 300km)
What occurs along ocean trenches but not along mid ocean ridges that accounts for the occurrence's of deep focus earthquakes?
Subduction of oceanic crust. The Earthquakes occur at depth in the descending slab.
What is platonic earthquake?
Plutonic earthquakes are deep focus earthquakes.
What is the difference between shallow focus earthquakes and deep focus earthquakes?
Shallow focus earthquakes occur at depths of 70 km with magnitudes ranging from 1-5. Deep focus earthquakes occur at depths from 300-700 km and magnitudes from 6-10.
What are the effects of deep focus earthquakes?
Very little, as the earthquake occurs deep underground, hence the deep focus.
What causes more damage shallow or deep focus earthquakes?
Shallow focus earthquakes generally cause more damage.
What type of earthquakes occur farther inland than other earthquakes?
deep focus
What is the classification scale used to describe the depth of origin of earthquakes?
shallow focus Intermediate focus Deep focus
Is the absence of deep focus earthquakes along the oceanic ridge system is inconsistent with the theory of plate tectonics?
No, the crust is very thin under the oceanic ridge system, making deep focus earthquakes impossible there as the crust does not have the required depth for such earthquakes.
Deep-focus earthquakes are associated with what plate boundaries?
destructive or convergent boundaries
Do deep focus earthquakes occur as a plate moves deeper into the mantle?
yes they do
Which type of earthquake usually occurs farther inland than other earthquakes?
deep focus
Where do most deep-focus earthquakes occur?
At convergent plate boundaries where subduction is occurring.
What is one suggested cause of deep focus earthquakes?
Stress due to the subduction of tectonic plates into Earth's mantle.
