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The Calaveras Fault is used to develop the expected peak bedrock <br />acceleration for the Corral Hollow Sanitary Landfill since it is the <br />closest fault system for which generally accepted Maximum Probable <br />Earthquake (MPE) magnitude estimates have been made. In a report <br />titled "Geologic Investigation, Foothill Sanitary Landfill, San <br />Joaquin County, California, March 1988, J.H. Kleinfelder & Associates <br />determined that the MPE to occur along the Calaveras Fault is 7.0 <br />Richter magnitude. <br />Using methods derived by H. Bolton Seed and T.M. Idress`' and assuming <br />an earthquake of 7.0 Richter Magnitude at 22 miles from the <br />landfill, the peak expected bedrock acceleration at the landfill is <br />0.20g. This is not expected to be a slope stability concern at the <br />site because the areas to receive waste and final cover for closure of <br />the site will have a maximum slope of 4:1. <br />6) This section does not apply to the Corral Hollow Sanitary Landfill <br />as a Class III site. <br />14 <br />site location and also <br />the Jennings <br />fault <br />base. <br />As can be seen from <br />this figure, an event <br />of magnitude <br />5.0 to <br />5.9 <br />has been recorded at <br />20 <br />from <br />approximately miles <br />the site. <br />This <br />event <br />was actually of 5.5 <br />Richter magnitude which <br />occurred in <br />1903. <br />This <br />earthquake occurred <br />just east of the Calaveras <br />Fault along <br />the Verona <br />Fault. <br />The Calaveras Fault is used to develop the expected peak bedrock <br />acceleration for the Corral Hollow Sanitary Landfill since it is the <br />closest fault system for which generally accepted Maximum Probable <br />Earthquake (MPE) magnitude estimates have been made. In a report <br />titled "Geologic Investigation, Foothill Sanitary Landfill, San <br />Joaquin County, California, March 1988, J.H. Kleinfelder & Associates <br />determined that the MPE to occur along the Calaveras Fault is 7.0 <br />Richter magnitude. <br />Using methods derived by H. Bolton Seed and T.M. Idress`' and assuming <br />an earthquake of 7.0 Richter Magnitude at 22 miles from the <br />landfill, the peak expected bedrock acceleration at the landfill is <br />0.20g. This is not expected to be a slope stability concern at the <br />site because the areas to receive waste and final cover for closure of <br />the site will have a maximum slope of 4:1. <br />6) This section does not apply to the Corral Hollow Sanitary Landfill <br />as a Class III site. <br />14 <br />