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the epicenter is the area directly over the focus which is jus a fancy name for where the earthquake actually happened the epicenter is on the surface of the earth, no matter how far the focus is down in the ground
This is true; a seismic wave weakens the farther it travels, and thus has lower intensity.
According to the US Geological Survey (USGS), the Earthquake was felt up to 50 km away from the epicentre. Please see the related link for a contour map of earthquake intensity from the USGS.
The epicenter for the magnitude 9.0 earthquake in Japan on March 11, 2011 was reported to be 129 kilometers (80 miles) off the east coast of the Oshika Peninsula, Tōhoku, near Sendai.
Near Sendai....some where near 7 feet.......other places more.......other places less.....depends on the sensors placed near the epicenter......
No because the epicenter is right on top of the center of the quake.
the epicenter is the area directly over the focus which is jus a fancy name for where the earthquake actually happened the epicenter is on the surface of the earth, no matter how far the focus is down in the ground
The farther you go from the epicenter, the seismic waves become weaker.
How far away the epicenter is.
Triangulation. First, they calculate the time between the first and second - primary and secondary - seismic waves created in an earthquake and use this information to determine how far the seismometer is from the epicenter of the earthquake. A circle is drawn around the seismometer so that it is in the center and the radius is equal to the calculated distance. Using this information from three different seismometers, two more circles are drawn and the intersecting point of the three circles is where the epicenter of the earthquake is located.
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).
A shadow zone is caused by an earthquake. It is a region that is far away from the epicenter of the earthquake where seismic activity is minimized or not present.
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14,4oo km away. i think. check calculations to be sure.
This is true; a seismic wave weakens the farther it travels, and thus has lower intensity.
it is called the interior
Yes, that is where the greatest action is centered. But 'damage' is judged in human cost (buildings, lives, etc.), so if the epicenter is far from civilization, 'damage' is slight.