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Where is the focus of an earthquake?
The focus (more correctly termed the hypocenter) of an earthquake is the point in the earth where the earthquake rupture or fault movement actually occurred. The point on the surface directly above the hypocenter is known as the epicenter.
What is the focus and epicenter of an earthquake?
The focus of an earthquake is the point along a fault at which the first motion of an earthquake occurs.The epicenter of an earthquake is the point on Earth's surface directly above an earthquake's starting point, or focus.
What is the rupture and sudden movement of rocks along a fault?
Earthquake
How are faults and epicenters related?
The violent shaking and destruction associated with earthquakes are the result of rupture and slippage along fractures in Earth's crust called faults. Larger quakes result from the rupture of larger fault segments. The origin of an earthquake occurs at depths between 5 and 700 kilometers, at the focus(foci = a point). The point at the surface directly above the focus is called the epicenter.
What is the name of the location where a fault rupture starts?
It's the "Fracture Center". The Epicenter is the spot directly above the earth that is the center of the earthquake.
What is focus and epicenter of an earthquake?
The focus of an earthquake is the point along a fault at which the first motion of an earthquake occurs.The epicenter of an earthquake is the point on Earth's surface directly above an earthquake's starting point, or focus.
What is directly above the earthquake epicenter?
Nothing (well the atmosphere and then outer space)! As the epicentre of an earthquake is the point on Earth's surface directly above the focus or hypocentre (which is the place in the Earth where the rupture / fault movement that causes the earthquake occurs).
What is the difference between the hypocenter and epicenter of an earthquake?
The epicenter is the point on the Earth's surface directly above the hypocenter (100's of miles), the hypocenter is where movement first occurs in the fault, and the epicenter is where we feel the quake (when it's its strongest).
What were the natural causes of the 1989 san francisco earthquake?
Rupture along a 40 km section of the San Andreas fault.
What is a focus of an earthquake?
its directly below the epicenter
What is the relationship between focus and the epicenter of an earthquake?
The focus of an earthquake is the location within the lithosphere where seismic energy is released when slippage first occurs along a fault line. The epicenter is the location on Earth's surface directly above the focus.
What is the difference between epicenter and a earthquake?
An earthquake is the sudden shaking of the grounddue to the energy released by sudden movement along a fault line in the earth's crust.The epicenter is a point on the earth's surface directly above the focus of the earthquake.The focus is the point underground where the fault line starts rupturing.
