seismic measurements

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• Seismic microzonation — map of Greater Bangkok prepared based on predominant period of site obtained from microtremor observations [1] Main article: Earthquake engineering Seismic microzonation is defined as the process …   Wikipedia

• Seismic scale — A seismic scale is used to measure and compare the severity of earthquakes. (For a quick review, see the table of seismic scales at the end of this article.)Two fundamentally different but equally important types of scales are commonly used by… …   Wikipedia

• Vertical seismic profile — In geophysics, Vertical Seismic Profile (VSP) is a technique of seismic measurements used for correlation with surface seismic data. The defining characteristic of a VSP (of which there are many types) is that either the energy source, or the… …   Wikipedia

• New Madrid Seismic Zone — Coordinates: 36°34′57″N 89°35′17″W / 36.58245°N 89.58801°W / 36.58245; 89.58801 …   Wikipedia

• Japan Meteorological Agency seismic intensity scale — The Japan Meteorological Agency seismic intensity scale is a measure used in Japan and Taiwan to indicate the strength of earthquakes. It is measured in units of . Unlike the Richter magnitude scale (which measures the total magnitude of the… …   Wikipedia

• 1812 New Madrid earthquake — The Great Earthquake at New Madrid. A nineteenth century woodcut from Devens Our First Century (1877) …   Wikipedia

• Structure of the Earth — Earth cutaway from core to exosphere. Left picture is not to scale. The interior structure of the Earth, similar to the outer, is layered. These layers can be defined by either their chemical or their rheological properties. The Earth has an… …   Wikipedia

• Ewing, Maurice — ▪ American geophysicist born May 12, 1906, Lockney, Texas, U.S. died May 4, 1974, Galveston, Texas       U.S. geophysicist who made fundamental contributions to understanding of marine sediments and ocean basins, using seismic methods.… …   Universalium

• Chaitén (volcano) — Chaitén 2003 photograph from the International Space Station. The caldera is the circular feature visible in the lower part of the image. The town of Chaitén is to the top. (This image is aligned roughly southwest, around 220°.) …   Wikipedia

• Ewing, (William) Maurice — born May 12, 1906, Lockney, Texas, U.S. died May 4, 1974, Galveston, Texas U.S. geophysicist. He taught many years at Columbia University (1944–74) and also directed the Lamont Doherty Geological Observatory (1949–74). Studying the structure of… …   Universalium

• Thomas Poulter — Thomas Charles Poulter (March 3, 1897 – June 4, 1978) was an arctic explorer.[1] Biography He was born on March 3, 1897 to Micajah Poulter in Salem, Iowa. While he was a physics professor at Iowa Wesleyan College he recognized James Van Allen as… …   Wikipedia