Mexico 2012

The Mexican government decreed the establishment of the National Seismological Service (Servicio Sismológico Nacional – SSN) on September 5, 1910. At that time the SSN was under the charge of the National Geological Institute under the Ministry of Mines and Development.
Between 1910 and 1923 seismic stations were installed in Tacubaya, DF and in the cities of Oaxaca, Merida, Chihuahua, Veracruz, Guadalajara, Monterrey and Zacatecas. Seismographs were “Wiechert” made in Germany. Seven of these are still operating today and are probably the oldest system of America, which have operated continuously.
Since 1992, the modernization of the National Seismological Networkwith has been undertaken with budgetary support from the Ministry of Interior and the Universidad Nacional Autónoma de México. Thus was born the network Broadband Seismological Observatory. Today the SSN has 22 seismic observatories across the country and plans to expand the network to 33 observatories.
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2012 magnitude 5 plus

summary

mag5= 56
mag6= 11
mag7= 2
total= 69

2012 all magnitudes summary

mag2= 24, mag3= 3951, mag4= 1062
mag5= 56, mag6= 11, mag7= 2, total= 5106
energy released= 3,876,435.712 TTNT

summary

mag2= 1
mag3= 298
mag4= 93
mag5= 6
mag6= 1
mag7= 0
total= 399
ttnt= 55,234.360

2012 December

summary

mag2= 0
mag3= 480
mag4= 126
mag5= 7
mag6= 2
mag7= 0
total= 615
ttnt= 1,409,144.806

2012 November

summary

mag2= 1
mag3= 380
mag4= 45
mag5= 6
mag6= 0
mag7= 0
total= 432
ttnt= 13,644.554

2012 October

summary

mag2= 1
mag3= 333
mag4= 56
mag5= 3
mag6= 1
mag7= 0
total= 394
ttnt= 24,996.610

2012 September

summary

mag2= 15
mag3= 260
mag4= 61
mag5= 6
mag6= 0
mag7= 0
total= 342
ttnt= 15,525.980

2012 August

summary

mag2= 1
mag3= 346
mag4= 56
mag5= 3
mag6= 0
mag7= 0
total= 406
ttnt= 9,875.291

2012 July

summary

mag2= 0
mag3= 230
mag4= 87
mag5= 2
mag6= 0
mag7= 0
total= 319
ttnt= 6,124.504

2012 June

summary

mag2= 0
mag3= 322
mag4= 139
mag5= 1
mag6= 1
mag7= 0
total= 463
ttnt= 32,329.676

2012 May

summary

mag2= 3
mag3= 402
mag4= 142
mag5= 6
mag6= 4
mag7= 0
total= 557
ttnt= 340,909.440

2012 April

summary

mag2= 0
mag3= 318
mag4= 137
mag5= 11
mag6= 1
mag7= 0
total= 467
ttnt= 1,940,728.972

2012 March

summary

mag2= 1
mag3= 231
mag4= 68
mag5= 5
mag6= 0
mag7= 0
total= 305
ttnt= 8,498.746

2012 February

summary

mag2= 1
mag3= 351
mag4= 52
mag5= 0
mag6= 1
mag7= 0
total= 405
ttnt= 19,422.771

2012 January

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