• the seismic alert system of mexico (sasmex): progress and its current applications

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
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     the seismic alert system of mexico (sasmex) is being conformed by the seismic alert system of mexico city (sas), pioneer in public earthquake early warning services and the seismic alert system of oaxaca city (saso), with a set 12 and 36 sensing field stations, respectively. today, the alerting functions of these systems are currently in the process of integration. sas started in 1991 and saso in 2003, have emitted 78 early warnings of more than 2350 earthquakes detected by their sensing field stations. authorities of mexico federal district (gdf) and the state of oaxaca, since 2003 agreed with mexico’s ministry of the interior (segob), coordinate necessary to improve their seismic alert systems and join their roles to make must efficient possible disaster mitigation activities that might cause strong mexican earthquakes. this paper describes the main current applications of sas and saso: schools, radio and tv commercial broadcast, and the alternate emitters of seismic alert system (easas) operating in acapulco and chilpancingo both of guerrero state. to reach better efficiency in the seismic warning delivery, since 2009 we are applying nwr-same receivers in mexico city valley, and testing their codes enhancement to obtain the expedite earthquake warning issuing. also the gdf is promoting to increase the observation capacity of the seismic danger around mexico city, to detect it and warn any strong effect, reducing a new possible seismic disaster, and recently the segob, hereby their general coordination of civil protection, agreed to extend an sasmex sensor coverage between chiapas and jalisco states to issuing earthquake warning signal to reduce their population vulnerability.

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