Laserfiche WebLink
TABLE OF CQNTEM <br />North Fork Valley Seismic Network - Fourth Quarter 2007 ......................................................................1 <br />Summary ....................................................................... <br />............................................................. <br />Introduction ...... <br />Network Operations ...................................................... <br />Data Processing ............................................................. <br />Identification of Events ...................................... <br />Location Methodology ....................................... <br />Magnitude Estimation ........................................ <br />Results ........................................................................... <br />Seismic Event Locations ................................... <br />Seismic Event Magnitudes ................................ <br />Recorded Peak Ground Accelerations .............. <br />Acknowledgments ......................................................... <br />References ..................................................................... <br />Tables <br />....................................................1 <br />1 <br />.................................................... <br />....................................................1 <br />....................................................2 <br />......................... .......................2 <br />....................... .........................3 <br />....................................................4 <br />..................................................... 4 <br />....................... .........................4 <br />....................................................4 <br />......................... .......................5 <br />.........................:..........................6 <br />....................................................6 <br />1 Seismograph Stations of the North Fork Valley Seismic Network <br />2 Velocity Model Used in Locating Seismic Events <br />3 Event Locations and Maximum Recorded PGAs <br />Figures <br />1 Seismic Station Locations, Pennit Areas, and Mine Location Map <br />2 Relocated Seismicity, 1 October to 31 December 2008 <br />3 PGA Values for Q3 2007 to Q4 2008 Shown With McGarr and Fletcher (2005) <br />Attenuation Relationships <br />lop <br />• <br />• <br />UM WAx_wcfs\PROJECTS\North Fork-Bowle\Quarterly reports\2008 Q4\Q4_2008_BRL.do60AK 1