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==Disruptions due to earthquakes==
Even from thousands of miles away, earthquakes caused strong enough movements in the magnets to negatively affect the quality of particle beams and even disrupt them. Therefore, tiltmeters were installed on Tevatron's magnets to monitor minute movements and to help identify the cause of problems quickly. The first known earthquake to disrupt the beam was the [[2002 Denali earthquake]], with another collider shutdown caused by a moderate local quake on June 28, 2004.<ref>[http://www.symmetrymagazine.org/cms/?pid=1000767#5 Was that a quake? Ask the Tevatron]</ref> Since then, the minute seismic vibrations emanating from over 20 earthquakes were detected at the Tevatron without a shutdown including the [[2004 Indian Ocean earthquake and tsunami|2004 Indian Ocean earthquake]], the [[2005 Nias–Simeulue earthquake]], New Zealand's [[2007 Gisborne earthquake]], the [[2010 Haiti earthquake]] and the [[2010 Chile earthquake]].<ref>[http://news.discovery.com/space/tevatron-sees-haiti-earthquake.html Tevatron Sees Haiti Earthquake]</ref>