8. (50°)

14. B D 1, N 2 N 1, D 2

15. B D 1, N 2 N 1, D 2

56. Larsen et al. (2009) EOS 2008 eruption of Okmok

57. strong tremor OKWE RSAM 7/137/207/278/038/108/17 amplitude (arb. units) Okmok eruption seismicity

58. VLP tremor during Okmok eruption VLP tremor has been previously reported by De Lauro et al. (2005) at Stromboli

59. Stations used for tremor analysis

60. Comparison of Amplitude Spectra

61. OKSOz-OKFGz inter-station times

62. Histograms of 10 inter-station times

63. Tremor located NNW of Cone D Haney (2010) JGR, in press

64. new coneCone D caldera rim northsouth

65. Similar phase velocity for Love waves, so a similar inter-station time expected

66. Horizontal components Not similar to ZZ or RR Sign flip on OKFGt

69. Radiation pattern for a vertical CLVD Azimuth constrained by Love waves, source depth by Rayleigh waves

70. Rayleigh radiation: VLP tremor depth

71. approx. edge of caldera Masterlark, Haney, et al. (2010) JGR Ambient noise tomography of Okmok

72. Radiation pattern for a vertical CLVD Haney (2010) JGR, in press