What is the difference between an "earthquake" and an "aftershock"? More to the point, when does an aftershock qualify as an earthquake in its own right? I mean, I can understand if a place gets nailed with a 4.3 earth...
http://www.straightdope.com/columns/read/1681/whats-the...
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An aftershock is actually just a normal earthquake in every physical detail. Out of context, there is no way to tell the difference between any arbitrary earthquake and an "aftershock".
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www.scec.org/education/public/allfacts.html
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Author: Eric Peterson Text: What is the exact difference between an earthquake and an aftershock, especially in that they are not always centered at the same point on the fault, and there may be several months between the original quake and the aftershock.
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www.newton.dep.anl.gov/newton/askasci/1993/general/GEN0...
www.newton.dep.anl.gov/newton/askasci/1993/general/GEN004.HTM
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When a relatively small perceptible earthquake occurred near a tripartite net of high sensitivity in central Japan, a substantial difference was found between its 25 foreshocks and 173 aftershocks in the relation of frequency of occurrence and magnitude.
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bssa.geoscienceworld.org/cgi/content/abstract/56/1/185
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Aftershock - Wikipedia, the free encyclopedia
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An aftershock is an earthquake that occurs after a previous earthquake (the main shock ). An aftershock is in the same region of the main shock but is always of smaller magnitude strength. If an a...
en.wikipedia.org/wiki/Aftershock
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The Naked Scientists science forum supports the naked scientists podcast and radio show. Ask and answer science questions on any subject. ... The Naked Scientists Forum | Non Life Sciences | Geology & Palaeontology | Time difference between and Earthquake and an Aftershock.
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www.thenakedscientists.com/forum/index.php?topic=24926....
www.thenakedscientists.com/forum/index.php?topic=24926.0
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The difference, Stein explains, is that the two sides of the San Andreas fault move past each other at a speed of about one and a ... More information: The Nature paper is titled "Long Aftershock Sequences within Continents and Implications for Earthquake Hazard Assessment." ; Source: Northwestern University (news : web)
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www.physorg.com/news176564939.html
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How Can You Tell The Difference Between An Earthquake And Aftershocks? What Are The Chances Of Another Big Quake In California In The Next 15-30 Years? Find out from Science World. ... Q. How Can You Tell The Difference Between An Earthquake And Aftershocks?
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www2.scholastic.com/browse/article.jsp?id=4880
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Westerners are still feeling the aftershocks of the 7.5 magnitude Hebgen Lake earthquake that occurred in 1959, while Midwesterners continue to be jolted by aftershocks from quakes that date back to the 1800s, ... Stein agreed that it can be “darn hard to tell” the difference between an aftershock and an earthquake.
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www.billingsgazette.com/news/state-and-regional/montana...
www.billingsgazette.com/news/state-and-regional/montana/article_ec839970-cf21-11de-9c1b-001cc4c002e0.html
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