Changes

Geological counterexamples to an Old Earth include:  

Geological counterexamples to an Old Earth include:  

# The frequency of large [[earthquakes]] (more than 6.99 on the Richter scale) doubles roughly every 40 years,<ref>http://www.earth.webecs.co.uk/</ref> rendering long-term stability impossible.  Large earthquakes have increased by more than 20% in only the last decade.<ref>http://earthquake.usgs.gov/earthquakes/eqarchives/year/eqstats.php</ref>

# The frequency of large [[earthquakes]] (more than 6.99 on the Richter scale) doubles roughly every 40 years,<ref>http://www.earth.webecs.co.uk/</ref> rendering long-term stability impossible.  Large earthquakes have increased by more than 20% in only the last decade <ref>http://earthquake.usgs.gov/earthquakes/eqarchives/year/eqstats.php</ref> - though according to a recent study, the global risk of big earthquakes has not increased over the last hundred years <ref>[http://www.pnas.org/content/early/2011/12/12/1118525109.abstract Peter M. Shearer, Philip B. Stark: ''Global risk of big earthquakes has not recently increased''], [http://www.pnas.org PNAS], Dec 19, 2011, doi: 10.1073/pnas.1118525109</ref>

# The continued existence of fragile natural arches without having collapsed a short time period for erosion and stresses on them.<ref>http://www.naturalarches.org/big9.htm</ref>

# The continued existence of fragile natural arches without having collapsed a short time period for erosion and stresses on them.<ref>http://www.naturalarches.org/big9.htm</ref>

# An extrapolation of time between the collapse of weaker arches<ref>http://www.washingtonpost.com/wp-dyn/content/article/2008/08/11/AR2008081102290.html</ref> with still-standing stronger arches supports a young earth age.

# An extrapolation of time between the collapse of weaker arches<ref>http://www.washingtonpost.com/wp-dyn/content/article/2008/08/11/AR2008081102290.html</ref> with still-standing stronger arches supports a young earth age.