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Line 33: Because of the logarithmic basis of the scale, each whole number increase in magnitude represents a tenfold increase in measured amplitude. In terms of energy, each whole number increase corresponds to an increase of about 31.6 times the amount of energy released, and each increase of 0.2 corresponds to approximately a doubling of the energy released. Events with magnitudes greater than 4.5 are ~~bla bla bal~~ strong enough to be recorded by a seismograph anywhere in the world, so long as its sensors are not located in the earthquake's [[Shadow zone\|shadow]].<ref>{{Cite journal\|last=Brush\|first=Stephen G.\|date=September 1980\|title=Discovery of the Earth's core\|url=http://aapt.scitation.org/doi/10.1119/1.12026\|journal=American Journal of Physics\|language=en\|volume=48\|issue=9\|pages=705–724\|doi=10.1119/1.12026\|issn=0002-9505}}</ref><ref>{{Cite book \|title=A dictionary of earth sciences.\|date=2008\|author=Michael Allaby\|isbn=978-0-19-921194-4\|edition=3rd \|location=Oxford\|oclc=177509121}}</ref><ref>{{Cite journal\|last=Einarsson\|first=P.\|date=September 1978\|title=S-wave shadows in the Krafla Caldera in NE-Iceland, evidence for a magma chamber in the crust\|url=http://dx.doi.org/10.1007/bf02597222\|journal=Bulletin Volcanologique\|volume=41\|issue=3\|pages=187–195\|doi=10.1007/bf02597222\|issn=0258-8900\|hdl=20.500.11815/4200\|hdl-access=free}}</ref> The following describes the typical effects of earthquakes of various magnitudes near the epicenter.<ref name="GNSScience1">{{cite web \| url=https://www.gns.cri.nz/Home/Learning/Science-Topics/Earthquakes/Monitoring-Earthquakes/Other-earthquake-questions/What-is-the-Richter-Magnitude-Scale \| title=What is the Richter Magnitude Scale? \| publisher=[[GNS Science]] \| access-date=3 August 2021 \| url-status=dead \| archive-url=https://web.archive.org/web/20210803200647/https://www.gns.cri.nz/Home/Learning/Science-Topics/Earthquakes/Monitoring-Earthquakes/Other-earthquake-questions/What-is-the-Richter-Magnitude-Scale \|archive-date=3 August 2021}}</ref> The values are typical and may not be exact in a future event because intensity and ground effects depend not only on the magnitude but also on (1) the distance to the epicenter, (2) the depth of the earthquake's focus beneath the epicenter, (3) the location of the epicenter, and (4) [[Seismic site effects\|geological conditions]].

Richter scale: Difference between revisions