Lectures and Discussions

STUDENT TEAMS
Team 1: Nathaniel, Jeff
Team 2: Angela, Chunpeng
Team 3: Jeni, John
Team 4: Patty, Matt/Ed (1 time w/ each)

Lecture/Discussion Guidelines [pdf]

Jump to lecture/discussion: [01/26] [02/09] [02/16] [02/23] [03/02] [03/09] [03/16] [03/23] [03/30] [04/06] [04/13] [04/20] [04/27] [05/04]

Date: 01/26/2010
LECTURE 1a: Overview of the EarthScope Project and Facilities
Lecturer: Matt Fouch
Presentation: [pdf]
Readings:
1. Lecture/Discussion Guidelines
2. Earthscope website
3. Dalton. Deep thoughts. Nature (2000) vol. 405 (6785) pp. 390-392
4. Jackson. Geophysics at the speed of light: EarthScope and the Plate Boundary Observatory. The Leading Edge (2003) pp. 262-267
5. Kerr. Scoping Out Unseen Forces Shaping North America. Science (2009) vol. 325 (5948) pp. 1620-1621

LECTURE 1b: Seismic tomography using body waves
Lecturer: Matt Fouch
Presentation: [pdf]
Main Readings:
1. Sigloch et al. Two-stage subduction history under North America inferred from multiple-frequency tomography. Nature Geosci (2008) vol. 1 (7) pp. 458-462 [pdf] [supplement]
2. Roth et al. Three-dimensional seismic velocity structure of the northwestern United States. Geophysical Research Letters (2008) vol. 35 (15) pp. 1-6 [pdf] [supplement]
Ancillary Readings:
3. Burdick et al. Upper Mantle Heterogeneity beneath North America from Travel Time Tomography with Global and USArray Transportable Array Data. Seismological Research Letters (2008) vol. 79 (3) pp. 384-392 [pdf]
4. Schmandt and Humphreys. A Tomographic Image of Western United States Late-stage Orogeny. submitted to Nature (2009) pp. 1-37 [pdf]

Date: 02/09/2010
DISCUSSION 1: Earth structure, chemistry, & dynamics I: the upper mantle
Leaders: Ed Garnero, Matt Fouch
Presentation: [pdf]

LECTURE 2: Seismic tomography using surface waves
Lecturer: Ed Garnero
Presentation: [pdf]
Main Readings:
1. Moschetti et al. Surface wave tomography of the western United States from ambient seismic noise: Rayleigh wave group velocity maps. Geochemistry Geophysics Geosystems (2007) vol. 8 Q08010 [pdf]
2. Yang and Ritzwoller. Teleseismic surface wave tomography in the western U.S. using the Transportable Array component of USArray. Geophysical Research Letters (2008) vol. 35 (4) pp. 5 [pdf]
Ancillary Readings:
3. Nishida et al. Global Surface Wave Tomography Using Seismic Hum. Science (2009) vol. 326 (5949) pp. 112-112 [pdf]
4. Ritzwoller. Ambient Noise Seismic Imaging. McGraw Hill Yearbook of Science and Technology (2008) [pdf]
5. Courtland. Earth science: Harnessing the hum. Nature (2008) vol. 453 (7192) pp. 146-148 [pdf]
6. Bensen et al. A 3-D shear velocity model of the crust and uppermost mantle beneath the United States from ambient seismic noise. Geophysical Journal International (2009) vol. 177 (3) pp. 1177-1196 [pdf]
7. Lin et al. Surface wave tomography of the western United States from ambient seismic noise: Rayleigh and Love wave phase velocity maps. Geophysical Journal International (2008) vol. 173 (1) pp. 281-298 [pdf]

Date: 02/16/2010
DISCUSSION 2: Earth structure, chemistry, & dynamics II
Leaders: Ed Garnero, Matt Fouch
Presentation: [pdf]
Discussion notes: [pdf]

LECTURE 3: Magnetotellurics and conductivity
Lecturers: Team 1 - Nathaniel and Jeff
Presentation: [pdf]
Main Readings:
1. Hill et al. Distribution of melt beneath Mount St Helens and Mount Adams inferred from magnetotelluric data. Nature Geoscience (2009) vol. 2 (11) pp. 785-789 [pdf]
2. Patro and Egbert. Regional conductivity structure of Cascadia: Preliminary results from 3D inversion of USArray transportable array magnetotelluric data. Geophysical Research Letters (2008) vol. 35 (20) pp. 5 [pdf]
Ancillary Readings:
3. Becken et al. A deep crustal fluid channel into the San Andreas Fault system near Parkfield, California. Geophysical Journal International (2008) vol. 173 (2) pp. 718-732 [pdf]

Date: 02/23/2010
DISCUSSION 3: Imaging fluids in the crust and mantle
Leaders: Team 1 - Nathaniel and Jeff
Presentation: [pdf]
Discussion notes: [pdf]

LECTURE 4: Upper mantle seismic anisotropy
Lecturers: Team 2 - Angela and Chunpeng
Presentation: [pdf]
Main Readings:
1. Zandt and Humphreys. Toroidal mantle flow through the western U.S. slab window. Geology (2008) vol. 36 (4) pp. 295-298 [pdf]
2. West et al. Vertical mantle flow associated with a lithospheric drip beneath the Great Basin. Nature Geoscience (2009) vol. 2 (6) pp. 1-6 [pdf]
Ancillary Readings:
3. Liu. NA-SWS-1.1: A uniform database of teleseismic shear wave splitting measurements for North America. Geochemistry Geophysics Geosystems (2009) vol. 10 (5) pp. Q05011 [pdf]
4. Becker et al. Mantle flow under the western United States from shear wave splitting. Earth and Planetary Science Letters (2006) vol. 247 pp. 235-251 [pdf]

Date: 03/02/2010
DISCUSSION 4: Mapping upper mantle flow, fabric, and chemistry
Leaders: Team 2 - Angela and Chunpeng
Presentation: [pdf]
Discussion notes: [pdf]

LECTURE 5: Seismic reflectance and receiver functions
Lecturers: Team 3 - Jeni and John
Presentation: [pdf]
Main Reading:
1. Gilbert et al. Images of crustal variations in the intermountain west. Journal of Geophysical Research (2004) vol. 109 (B3) pp. 15 [pdf]
Ancillary Readings:
2. Abt et al. North American lithospheric discontinuity structure imaged by Ps and Sp receiver functions. Journal of Geophysical Research (2010), in press [pdf]
3. Frassetto et al. Support of high elevation in the southern Basin and Range based on the composition and architecture of the crust in the Basin and Range and Colorado Plateau. Earth and Planetary Science Letters (2006) vol. 249 (1-2) pp. 62-73 [pdf]
4. Ligorria and Ammon. Iterative deconvolution and receiver-function estimation. Bull Seismol Soc Am (1999) vol. 89 (5) pp. 1395-1400 [pdf]

Date: 03/09/2010
DISCUSSION 5: Mapping chemical & phase discontinuities in the crust & upper mantle
Leaders: Team 3 - Jeni and John
Presentation: [pdf]
Discussion notes: [pdf]

LECTURE 6: Surface motions and deformation
Lecturers: Team 4 - Patty and Ed
Presentation: [pdf]
Main Readings:
1. Davis et al. Subcontinental-scale crustal velocity changes along the Pacific-North America plate boundary. Nature (2006) vol. 441 (7097) pp. 1131-1134 [pdf]
2. McCaffrey et al. Rotation and place locking at the southern Cascadia subduction zone. Geophysical Research Letters (2000) vol. 27 (19) pp. 3117-3120 [pdf]
Ancillary Readings:
3. Kreemer. Absolute plate motions constrained by shear wave splitting orientations with implications for hot spot motions and mantle flow. Journal of Geophysical Research (2009) vol. 114 (B10) pp. B10405 [pdf]
4. Hammond and Thatcher. Crustal deformation across the Sierra Nevada, northern Walker Lane, Basin and Range transition, western United States measured with GPS, 2000-2004. Journal of Geophysical Research-Solid Earth (2007) vol. 112 (B5) pp. B05411 [pdf]

Date: 03/16/2010
NO CLASS (Spring Break)

Date: 03/23/2010
NO CLASS

Date: 03/30/2010
DISCUSSION 6: Linking deformation between the surface, crust, and mantle
Leaders: Team 4 - Patty and Ed
Presentation: [pdf]
Discussion notes: [pdf]

LECTURE 7: Episodic tremor and slip (ETS)
Lecturers: Team 1 - Nathaniel and Jeff
Presentation: [pdf]
Main Readings:
1. Brudzinski and Allen. Segmentation in episodic tremor and slip all along Cascadia. Geology (2007) vol. 35 (10) pp. 907-910 [pdf]
2. Ghosh et al. Tremor patches in Cascadia revealed by seismic array analysis. Geophys. Res. Lett. (2009) vol. 36 (17) pp. L17316 [pdf]
Ancillary Readings:
3. Kao et al. Northern Cascadia episodic tremor and slip: A decade of tremor observations from 1997 to 2007. Journal of Geophysical Research (2009) vol. 114 pp. B00A12 [pdf]
4. Rogers and Dragert. Episodic tremor and slip on the Cascadia subduction zone: The chatter of silent slip. Science (2003) vol. 300 (5627) pp. 1942-1943 [pdf]

Date: 04/06/2010
DISCUSSION 7: The nature and diversity of fault behavior
Leaders: Team 1 - Nathaniel and Jeff
Presentation: [pdf]
Discussion notes: [pdf]

LECTURE 8: Constraining earthquake triggering
Lecturers: Team 2 - Angela and Chunpeng
Presentation: [pdf]
Main Readings:
1. Velasco et al. Global ubiquity of dynamic earthquake triggering. Nat Geosci (2008) vol. 1 (6) pp. 375-379 [pdf]
2. Rubinstein et al. Non-volcanic tremor driven by large transient shear stresses. Nature (2007) vol. 448 (7153) pp. 579-582 [pdf]
Ancillary Readings:
3. Linde, A., and S. Sacks. Triggering of volcanic eruptions. Nature (1998) vol. 395 (6705) pp. 888-890 [pdf]
4. Gomberg et al. Earthquake nucleation by transient deformations caused by the M=7.9 Denali, Alaska, earthquake. Nature (2004) vol. 427 pp. 621-624 [pdf]

Date: 04/13/2010
DISCUSSION 8: The nature of fault loading, earthquake cycles, and earthquake triggering
Leaders: Team 2 - Angela and Chunpeng
Presentation: [pdf]
Discussion notes: [pdf]

LECTURE 9: The San Andreas Fault in fine detail: seismology and rock physics
Lecturers: Team 3 - Jeni and John
Presentation: [pdf]
Main Readings:
1. Shelly. Migrating tremors illuminate complex deformation beneath the seismogenic San Andreas fault. Nature (2010) vol. 463 (7281) pp. 648-652 [pdf]
2. Thomas et al. Tremor-tide correlations and near-lithostatic pore pressure on the deep San Andreas fault. Nature (2009) vol. 462 (7276) pp. 1048-1051 [pdf]
3. Carpenter et al. Frictional behavior of materials in the 3D SAFOD volume. Geophysical Research Letters (2009) vol. 36 (5) pp. L05302 [pdf]
Ancillary Readings:
4. Unsworth et al. Internal structure of the San Andreas fault at Parkfield, California. Geology (1997) vol. 25 (4) pp. 359-362 [pdf]
5. Becken et al. A deep crustal fluid channel into the San Andreas Fault system near Parkfield, California. Geophysical Journal International (2008) vol. 173 (2) pp. 718-732 [pdf]

Date: 04/20/2010
DISCUSSION 9: The San Andreas Fault in fine detail: seismology and rock physics
Leaders: Team 3 - Jeni and John
Presentation: [pdf]
Discussion notes: [pdf]

Date: 04/27/2010
LECTURE & DISCUSSION 10: The Yellowstone hotspot
Lecturers: Team 3 - Patty and Matt
Presentation: [pdf]
Discussion notes: [pdf]
Main Readings:
1. Wicks et al. Uplift, thermal unrest and magma intrusion at Yellowstone caldera. Nature (2006) vol. 440 (7080) pp. 72-75 [pdf]
2. Yuan and Dueker. Teleseismic P-wave tomogram of the Yellowstone plume. Geophysical Research Letters (2005) vol. 32 (7) pp. L07304 [pdf]
3. Chu et al. Mushy magma beneath Yellowstone. Geophysical Research Letters (2010) vol. 37 (1) pp. L01306 [pdf]
Ancillary Reading:
4. Pierce and Morgan. Is the track of the Yellowstone hotspot driven by a deep mantle plume? — Review of volcanism, faulting, and uplift in light of new data. J Volcanol Geoth Res (2009) vol. 188 (1-3) pp. 1-25 [pdf]

Date: 05/04/2010
DISCUSSION 11: Future Directions
Lecturers: Class
Presentation: [pdf]
Papers to discuss:
Chu et al. Mushy magma beneath Yellowstone. Geophysical Research Letters (2010) vol. 37 (1) pp. L01306 [pdf]
Curtis et al. Virtual seismometers in the subsurface of the Earth from seismic interferometry. Nature Geoscience (2009) vol. 2 (10) pp. 700-704 [pdf]
Velasco et al. Subsurface fault geometries and crustal extension in the eastern Basin and Range Province, western U.S. Tectonophysics (2009) pp. 1-12 [pdf]
Smith and Gomberg. A search in strainmeter data for slow slip associated with triggered and ambient tremor near Parkfield, California. J. Geophys. Res. (2009) vol. 114 pp. B00A14 [pdf]
Schmerr and Garnero. Upper mantle discontinuity topography from thermal and chemical heterogeneity. Science (2007) vol. 318 (5850) pp. 623-626 [pdf]
Bromirski and Gerstoft. Dominant source regions of the Earth's “hum” are coastal. Geophysical Research Letters (2009) vol. 36 (13) pp. L13303 [pdf]
Pierce and Morgan. Is the track of the Yellowstone hotspot driven by a deep mantle plume? — Review of volcanism, faulting, and uplift in light of new data. J Volcanol Geoth Res (2009) vol. 188 (1-3) pp. 1-25 [pdf]

Last modified: Thursday, May 6, 2010 by Matt Fouch