| Magnitude is a measure of the energy released by a quake at its hypocenter, the point underground where movement first occurs along a fault. |
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| The degree of damage depends upon the distance from the center of the bomb blast, which is called the hypocenter or ground zero. |
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| Only two small communities are located within 100 km of the hypocenter. |
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| Located only 500 meters from the hypocenter of the blast, the three-story, reinforced concrete building was heavily damaged. |
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| Hisayo, who was in her 30s, was on the way to a post office on foot near the hypocenter for work on the morning of Aug. |
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| The hypocenter of the earthquake was located about 130km off the Pacific coast of Tohoku region, from Iwate to Ibaraki Prefectures, the JMA said. |
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| They were assembled from meagre rags of clothing left on three boys, aged twelve to fifteen, who happened to be a thousand yards from the bomb's hypocenter above Hiroshima. |
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| If it is identified a significant event it is registered, they can identify the hypocenter, the magnitude, the focal mechanism and the parameters of the source. |
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| These data will permit more accurate earthquake hypocenter estimates, as well as better estimates of earthquake magnitude and other characteristics indicative of tsunamigenic potential. |
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| The center will be equipped with equipment like a vibration machine that could simulate the earth movements up to two meters from the hypocenter of a near-fault earthquake. |
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