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The Great Colchester Earthquake; The effects of the earthquake on the area of Eastern Essex south of the River Blackwater Archived 20 November 2008 at the Wayback Machine; Meldola, Raphael; White, William (1885). Report on the East Anglian Earthquake of April 22nd, 1884. Essex Field Club Special Memoirs. Vol. 1. London: Macmiillan & Co.
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Seismotectonics is the study of the relationship between the earthquakes, active tectonics and individual faults of a region. It seeks to understand which faults are responsible for seismic activity in an area by analysing a combination of regional tectonics, recent instrumentally recorded events, accounts of historical earthquakes and geomorphological evidence.
Historical earthquakes is a list of significant earthquakes known to have occurred prior to the early 20th century. As the events listed here occurred before routine instrumental recordings – later followed by seismotomography imaging technique, [1] observations using space satellites from outer space, [2] artificial intelligence (AI)-based early earthquake warnings [3] – they rely mainly ...
Created Date: 8/30/2012 4:52:52 PM
Prior to the availability of digital processing of seismic data in the late 1970s, the records were done in a few different forms on different types of media. A Helicorder drum is a device used to record data into photographic paper or in the form of paper and ink. A piece of paper is wrapped around a rotating drum of the helicorder which ...
Depth Migration is applied to seismic data in depth (regular Cartesian) coordinates, which must be calculated from seismic data in time coordinates. This method does therefore require a velocity model, making it resource-intensive because building a seismic velocity model is a long and iterative process.
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