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City of Santa Ana Emergency Operations Plan <br />Part I Basic Plan <br />Chino Fault- The Chino Fault is a right -reverse fault and is part of the Whittier -Elsinore Fault system and is <br />located northeast of Chino Hills. The fault is approximately 17.4 miles long and extends from the Santa Ana <br />Mountains northwest to the City of Pomona, as it joins the San Jose Fault. SCEC reports probable earthquake <br />magnitudes for the Chino Fault to be in the range of 6.0 - 7.0 with an unknown recurrence interval. The last <br />earthquake reported was on July 29, 2008 with a magnitude of 5.4, which resulted in mild shaking but little damage <br />in Orange County. <br />Figure 48 M 6.7 Earthquake on the Chino Hills Fault <br />-- Earthquake Planning Scenario -- <br />hakeMap for Chino Hills6.7 Scenario <br />Scenario Date: Mon May30, 2005 05:00:00 AM PDT M 6.7 N33.90 W117.50 Depth: 6.0km <br />.J 4. 5 n <br />34 <br />33. J n <br />-118' -117' <br />PLANNING SCENARIO ONLY — frlap Version 4 Processed Fri Aug 24, 200709:30:01 AM PDT <br />P$HAKNG <br />Natielt <br />Weak <br />Light <br />6rladerate <br />Strong <br />Varystrang Severe Vialent <br />Extreme <br />POAENTLAL <br />norm <br />none <br />none <br />Very light <br />Ught <br />Moderate ModeralpiHsaty Heavy <br />Very Heavy <br />PEAILAW4560 <br />c.17 <br />.T7-1.4 <br />1.4— p <br />3.&92 <br />92-10 <br />10-34 3445 65-124 <br />�124 <br />PIAKvELjnrrjz} <br /><0.1 <br />0.1-1.1 <br />1.1-3.4 <br />34-8.1 <br />S.I-IS <br />ts,?1 31-00 6O-116 <br />116 <br />INSTRUMENTALL. <br />INTENSITY <br />I <br />I�III <br />IV <br />F V <br />VI <br />YIl <br />48 <br />