15 July 2016 Response to major earthquakes affecting Gemini twins
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Abstract
Both Gemini telescopes, in Hawaii and Chile, are located in highly seismic active areas. That means that the seismic protection is included in the structural design of the telescope, instruments and auxiliary structure. We will describe the specific design features to reduce permanent damage in case of major earthquakes. At this moment both telescopes have been affected by big earthquakes in 2006 and 2015 respectively. There is an opportunity to compare the original design to the effects that are caused by these earthquakes and analyze their effectiveness.

The paper describes the way the telescopes responded to these events, the damage that was caused, how we recovered from it, the modifications we have done to avoid some of this damage in future occasions, and lessons learned to face this type of events. Finally we will cover on how we pretend to upgrade the limited monitoring tools we currently have in place to measure the impact of earthquakes.
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Michiel van der Hoeven, Michiel van der Hoeven, Rolando Rogers, Rolando Rogers, Mathew Rippa, Mathew Rippa, Gabriel Perez, Gabriel Perez, Vanessa Montes, Vanessa Montes, Cristian Moreno, Cristian Moreno, } "Response to major earthquakes affecting Gemini twins", Proc. SPIE 9910, Observatory Operations: Strategies, Processes, and Systems VI, 99100R (15 July 2016); doi: 10.1117/12.2232161; https://doi.org/10.1117/12.2232161
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