... 167, 1 68, 169m, 170, 170, 181 , 184 , 186 San Andreas Fault Observatory at Depth (SAFOD) 181 – 183 , 187 Sandia National Laboratory 121San Francisco earthquake (1906) 159, 163, 1 68, 170, 186 satellites ... 71California earthquakes 1 58 159, 159, 160, 177–1 78, 179– 180 , 181 , 182 geothermal energy 102, 106, 109, 111, 121, 123, 124San Andreas Fault 167, 1 68, 169m, 170, 170, 181 , 184 , 186 San Andreas ... spots 75– 98 causes of 89 –90Hawaiian Islands 75 81 , 91mobility of 88 89 New Mexico geothermal drilling 109–110plate exure/breakup hypotheses 87 88 plume hypothesis 82 87 , 93prediction of...