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focus
Frequent shallow earthquakes
divergent plate boundaries
At divergent and transform boundaries.
Spreading center earthquakes are always shallow, subduction zone earthquakes can be very deep.Spreading center earthquakes are typically of lower magnitude than subduction zone earthquakes.
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The epicenter is the point on the earth's surface directly vertically above the hypocenter (or focus) point in the crust where a seismic rupture begins.The epicenter is only "far from the center" on very deeply centered earthquakes where the hypocenter (or focus) point in the crust is very far from the surface. Many earthquakes are shallow.The depth of the hypocenter (or focus) point can be categorized as shallow (up to 70 km or 43.5 miles below the surface), intermediate (70 to 300 km), or deep (greater than 300 km or 186 miles).
Shallow focus earthquakes generally cause more damage.
Earthquakes that happen in shallow water cause tsunami and other side affects like landslides.
divergent
focus
Frequent shallow earthquakes
divergent plate boundaries
At divergent and transform boundaries.
Frequent shallow 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.
a small one