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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.
When they do occur in the Northeastern United States, the areas affected by them are much larger than for earthquakes of similar magnitude on the West Coast of the United States. The largest known earthquake in the greater New York City area occurred in 1884, probably somewhere between Brooklyn and Sandy Hook, and had a magnitude of ...
The 1884 Andalusian earthquake (Spanish: Terremoto de Andalucía de 1884) occurred on 25 December 1884 at 9:08 p.m in the south of Spain, and had an estimated magnitude of 6.7 M w. It shook a poor region where many of the houses were built without foundations, with lime or mud mortar, and with weak joints.
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 ...
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.
The data for an earthquake is plotted using a lower-hemisphere stereographic projection. The azimuth and take-off angle are used to plot the position of an individual seismic record. The take-off angle is the angle from the vertical of a seismic ray as it emerges from the earthquake focus.
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The velocity structure of the Earth. The red line is the P-wave velocity, the blue line is the S-wave velocity, and the green line density. (Data was adopted from the RockHound Python library.) Seismic velocity structure is the distribution and variation of seismic wave speeds within Earth's and other planetary bodies' subsurface.