earthquake calculation

См. также в других словарях:

• earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …   Universalium

• 2008 Iwate-Miyagi Nairiku earthquake — Earthquake title=Iwate Miyagi Nairiku Earthquake in 2008 date= June 14 2008 (JST) magnitude = Mj 7.2 (JMA scale), Mw 6.9 (by USGS) depth=convert|8|km|mi|0 (JMA), convert|10|km|mi|0 (USGS) aftershocks=483 felt aftershocks by July 1 (JMA) Laragest …   Wikipedia

• 2008 Sichuan earthquake — 2008 Earthquake 2008 Wenchuan Earthquake …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born …   Wikipedia

• Seismic wave — Seismic waves are waves that travel through the Earth, most often as the result of a tectonic earthquake, sometimes from an explosion. Seismic waves are also continually excited by the pounding of ocean waves and the wind. Seismic waves are… …   Wikipedia

• Maximum magnitude — An important parameter in the calculation of seismic hazard, maximum magnitude (expressed as Moment magnitude scale) is also one of the more contentious. The choice of the value can greatly influence the final outcome of the results, yet this is… …   Wikipedia

• Logarithm — The graph of the logarithm to base 2 crosses the x axis (horizontal axis) at 1 and passes through the points with coordinates (2, 1), (4, 2), and (8, 3) …   Wikipedia

• Timeline of Chinese history — History of China ANCIENT …   Wikipedia

• Nuclear safety in the United States — Nuclear safety in the U.S. is governed by federal regulations and continues to be studied by the Nuclear Regulatory Commission (NRC). The safety of nuclear plants and materials controlled by the U.S. government for research and weapons production …   Wikipedia

• Nuclear power in Japan — The Onagawa Nuclear Power Plant, a 3 unit BWR site typical of Japan s nuclear plants …   Wikipedia