Quarterly Seismicity Reports All

Four times yearly, we issue Quarterly Seismicity Summaries for the Utah and Yellowstone regions. Each summary describes the state of the seismograph network over the previous three months, and lists locations for all the earthquakes detected during the same time period.

2017
January – March  Utah Q1 Yellowstone Q1

2016
October – December  Utah Q4 Yellowstone Q4
July – September  Utah Q3 Yellowstone Q3
April – June  Utah Q2 Yellowstone Q2
January – March  Utah Q1 Yellowstone Q1

2015
October – December  Utah Q4 Yellowstone Q4
July – September Utah Q3 Yellowstone Q3
April – June Utah Q2 Yellowstone Q2
January – March Utah Q1 Yellowstone Q1

 

2014
October – December Utah Q4 Yellowstone Q4
July – September Utah Q3 Yellowstone Q3
April – June Utah Q2 Yellowstone Q2
January – March Utah Q1 Yellowstone Q1

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2013
October – December Utah Q4  Yellowstone Q4
July – September Utah Q3
April – June Utah Q2
January – March Utah Q1

 

2012
October – December Utah Q4
July – September Utah Q3
April – June Utah Q2
January – March Utah Q1

2011
October – December Utah Q4
July – September Utah Q3
April – June Utah Q2
January – March Utah Q1

2010
October – December Utah Q4
July – September Utah Q3
April – June Utah Q2
January – March Utah Q1