Station Penetration # Latitude Longitude Number of sensors* Notes HF1 1-7 No data; Firmware issues; Replace thermistor string HF2 1 45.42892 -125.7342517 7 western half of E-to-W line across MARGIN (note: HF1 failed to collect data) HF2 2 45.42801667 -125.7471283 10 HF2 3 45.42729167 -125.7597833 11 HF2 4 45.42638333 -125.77255 11 HF2 5 45.42559167 -125.7852783 9 HF2 6 45.42478833 -125.79686 7 HF2 7 45.42303333 -125.82335 11 HF3 1 45.43471667 -125.6446167 11 "eastern half of E-to-W line across MARGIN (note: reoccupying HF1 sites, which failed)" HF3 2 45.43310333 -125.670865 8 HF3 3 45.43151667 -125.696295 11 HF3 4 45.43060667 -125.7090083 11 HF3 5 45.42978833 -125.7217567 11 HF4 1 45.35632167 -125.6710167 7 S-to-N line across MARGIN HF4 2 45.37261667 -125.6759967 11 HF4 3 45.389575 -125.6814133 0 temperature data goes wonky HF4 4 45.40666333 -125.6867383 0 HF4 5 45.41501667 -125.6895167 0 HF4 6 45.42341833 -125.692205 0 HF4 7 45.43999167 -125.6979167 0 HF4 8 45.44851333 -125.7005917 6 only top 6 thermistors useable HF4 9 45.46511667 -125.7058667 6 only top 6 thermistors useable HF4 10 45.48171667 -125.7108633 6 only top 6 thermistors useable HF4 11 45.49861667 -125.71591 6 only top 6 thermistors useable HF5 1 Data logger program turned off HF5 2 HF5 3 HF5 4 HF5 5 HF5 6 HF6 1 45.086115 -126.2837183 6 E-to-W transect across Nubbin; only bottom 6 thermistors useable HF6 2 45.087545 -126.2937617 6 only bottom 6 thermistors useable HF6 3 45.08938167 -126.3056817 6 only bottom 6 thermistors useable HF6 4 45.090295 -126.311925 6 only bottom 6 thermistors useable HF6 5 45.09117833 -126.3181733 6 only bottom 6 thermistors useable HF6 6 45.0943 -126.3383633 6 only bottom 6 thermistors useable HF6 7 45.09800667 -126.363305 6 only bottom 6 thermistors useable HF7 1 45.06763 -126.30589 11 "Single site S of Nubbin (test probe after cleaning, resealing connections; all thermistors good)" HF8 1 45.07419167 -126.2864217 11 SE of Nubbin in channel HF8 2 45.07921667 -126.29193 11 SE edge of Nubbin HF8 3 45.07601667 -126.3034183 11 S edge of Nubbin HF8 4 45.08141667 -126.3158133 11 SW edge of Nubbin HF9 1 45.09393333 -126.2896883 11 NE edge of Nubbin HF9 2 45.09945833 -126.2967617 11 N edge of Nubbin HF9 3 45.101495 -126.3134317 11 NW edge of Nubbin HF9 4 45.10761 -126.32122 11 NW of Nubbin HF10 1 45.09754167 -126.2834617 11 NE of Nubbin HF10 2 45.107215 -126.29451 11 N of Nubbin HF11 1 45.07075833 -126.1746583 11 E of Lil' Nubbin HF11 2 45.07191 -126.1879933 9 East flank of Lil' Nubbin HF11 3 45.07371333 -126.2004267 11 Above summit of Lil' Nubbin HF11 4 45.07552 -126.2129033 0; tilt too high West flank of Lil' Nubbin HF12 1 45.07918333 -126.237685 11 W of Lil' Nubbin HF12 2 45.07742 -126.2252867 11 West flank of Lil' Nubbin HF13 1 45.07604333 -126.32615 11 1000 m SW from highest HF (1.5 W/m2) at SW edge of Nubbin HF13 2 45.078765 -126.3210433 11 500 m SW from highest HF (1.5 W/m2) at SW edge of Nubbin HF13 3 45.08037833 -126.317885 11 200 m SW from highest HF (1.5 W/m2) at SW edge of Nubbin HF14 1 43.95989833 -125.669525 7 Between deformation front and small outcrop east of Diebold HF14 2 43.95884667 -125.6818017 9 HF14 3 43.957955 -125.69409 11 HF14 4 43.95669667 -125.7065 6 HF14 5 43.95546667 -125.7190117 6 HF15 1 43.938985 -125.90317 6 E-to-W transect approaching small outcrop east of Diebold HF15 2 43.93799333 -125.9166133 0; tilt too high HF15 3 43.936805 -125.9290217 8 HF15 4 43.93581 -125.9413867 6 HF15 5 43.93468167 -125.95375 5 HF15 6 43.93346167 -125.966125 9 HF15 7 43.93249 -125.978615 0; tilt too high HF15 8 43.93142 -125.9909717 0; tilt too high HF15 9 43.93020667 -126.0033717 0; tilt too high HF15 10 43.92809667 -126.0154783 0; tilt too high HF16 1 43.917 -126.0637783 5 Saddle between Diebold and small outcrop to east HF16 2 43.91428833 -126.076005 7 HF16 3 43.91159333 -126.088205 0; tilt too high HF17 1 43.87846333 -126.2302917 0 W of Diebold HF17 2 43.87638 -126.24272 0 HF17 3 43.87420167 -126.2549167 0 HF18 1 43.83475167 -126.1199167 4 S of Diebold HF18 2 43.84147833 -126.127835 4 * - Number of sensors that penetrated the seafloor and appear to have provided useful data.