Table 3. The maximum compression and tensile principal stresses from linear analyses. Earthquake I-I Section II-II Section MaxPS1 MinPS2 MaxPS1 MinPS2 (MPa) (MPa) (MPa) (MPa) Parkfield 3.7 -4.4 7.7 -7.8 ImperialValley 4.9 -4.1 5.5 -5.7 Mammoth Lakes 4.8 -3.8 6.3 -4.9 1 MaxPS: Maximum Principal Stress (Maximum Tensile Stress) 2 MinPS: Minimum Principal Stress (Maximum Compressive Stress)