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{{About|the geological feature}} [[Category:Geological hazards]] ...

...ay include [[Bathymetry|bathymetric]], [[hydrography|hydrographic]], and [[geological survey]]s, [[Survey (archaeology)|archaeological surveys]], [[ecological s ...ly restricted to, archeological, bathymetric and hydrographic, ecological, geological, and construction site surveys, and inspection surveys of marine and coasta ...

...in the US and 5000 tons globally. However, according to the United States Geological Survey, the trace amounts of mercury in coal by-products do not pose a thre ...ered CO2 may eventually leak up through the ground, may lead to unexpected geological instability or may cause contamination of aquifers used for drinking water ...

===Hazards=== {{see also|Hazard|List of diving hazards and precautions|Human factors in diving safety|List of diving environments ...

...ective|first1=R.|last1=Gieré|first2=Peter|last2=Stille|date=2018|publisher=Geological Society of London|isbn=978-1-86239-167-3|page=145}}</ref><ref>{{cite book|p ...by circulating NaK around lead tellurium thermocouples. To mitigate launch hazards, the reactor was not started until it reached a safe orbit.{{citation_neede ...

Earth has evolved through geological and biological processes that have left traces of the original conditions. ====Geological evolution==== ...

...e Month: Sulfur|date=July 2003|access-date=August 22, 2022|work=[[American Geological Institute]]|archive-date=May 27, 2012|archive-url=https://archive.today/201 ...method employed by the refinery in which he/she works, significant health hazards remain.<ref>{{Cite journal|last1=Witter|first1=Roxana Z.|last2=Tenney|first ...

...s.<ref name="(U.S.)1980">{{cite book|author=Geological Survey (U.S.)|title=Geological Survey Professional Paper|url=https://books.google.com/books?id=37dUAAAAYAA ...s and [[micro hydro]] facilities create less risk, but can form continuing hazards even after being decommissioned. For example, the small earthen embankment ...

...than 6.1 m high caused 2% of the deaths. Non-jurisdictional dams may pose hazards because their design, construction, maintenance, and surveillance is unregu Dams can also be created by natural geological forces. [[Lava dam]]s are formed when lava flows, often [[basalt]]ic, inter ...

...olution of life was a massive departure and acceleration from the previous geological rates of change, and improved intelligence could cause change to be as diff ...omy]], and to what degree they could use such abilities to pose threats or hazards.<ref name="nytimes july09" /> ...

...fe-cycle carbon emissions than common "renewables". The novel radiological hazards associated with nuclear power are the primary motivations of the [[anti-nuc Like fossil fuels, over geological timescales, uranium extracted on an industrial scale from seawater would be ...