logs the geological attributes of the rock layers. Trenching studies are especially relevant to seismically active regions, such as many parts of California. See also Archaeoseismology Paleotempestology Seismite References Sources James P. McCalpin (2009) Paleoseismology (2nd Edition), Academic Press, , James P. McCalpin (1996) Paleoseismology, Elsevier, External links Paleoseismicity.org - Online platform for paleoseismologists INQUA Paleoseismology/ web site of the International Focus Group on Paleoseismology and Active tectonics. TERPRO Commission, International Union for Quaternary Research Historical geology Fields of seismology