Analysis of glacial earthquakes

Journal of Geophysical Research: Earth Surface

Volumn 112, Issue 3, 2007, Pages

  Tsai, Victor C ^a   Ekström, Göran ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EARTHQUAKE EVENT; GLACIAL ENVIRONMENT; GLACIER; ICE FLOW; SLIDING; SURFACE WAVE; TELESEISMIC WAVE;

ARCTIC; GREENLAND;

EID: 36248942435     PISSN: None     EISSN: 21699011     Source Type: Journal    
DOI: 10.1029/2006JF000596     Document Type: Article

References (31)

1. Alley, R. B., and I. M. Whillans (1991), Changes in the West Antarctic Ice Sheet, Science, 254, 959-963.
2. Bamber, J. L., R. L. Layberry, and S. P. Gogineni (2001), A new ice thickness and bed data set for the Greenland ice sheet, J. Geophys. Res., 106, 33,773-33,780.
3. Bauer, A. (1961), Influence de la dynamique des fleuves de glace sur celle de l'Islandsis du Groenland, Int. Assoc. Sci. Hydrol. Publ., 54, 578-584.
4. Bindschadler, R. A., M. A. King, R. B. Alley, S. Anandakrishnan, and L. Padman (2003), Tidally controlled stick-slip discharge of a West Antarctic ice stream, Science, 301, 1087-1089.
5. Brodsky, E. E., E. Gordeev, and H. Kanamori (2003), Landslide basal friction as measured by seismic waves, Geophys. Res. Lett., 30(24), 2236, doi:10.1029/2003GL018485.
6. Cappelen, J., B. V. Jorgensen, E. V. Laursen, L. S. Stannius, and R. S. Thomsen (2001), Tech. Rep. 00-18, Dan. Meteorol. Inst., Copenhagen.
7. Deichmann, N., J. Ansorge, F. Scherbaum, A. Aschwanden, F. Bernardi, and G. H. Gudmundsson (2000), Evidence for deep icequakes in an Alpine glacier, Ann. Glaciol., 31, 85-90.
8. Dziewonski, A. M., and D. L. Anderson (1981), Preliminary reference Earth model, Phys. Earth Planet. Inter., 25, 297-356.
9. Dziewonski, A. M., T. A. Chou, and J. H. Woodhouse (1981), Determination of earthquake source parameters from waveform data for studies of global and regional seismicity, J. Geophys. Res., 86, 2825-2852.
10. Ekström, G. (2006), Global detection and location of seismic sources by using surface waves, Bull. Seismol. Soc. Am., 96, 1201-1212.
11. Ekström, G., M. Nettles, and G. A. Abers (2003), Glacial earthquakes, Science, 302, 622-624.
12. Ekström, G., A. M. Dziewonski, N. N. Maternovskaya, and M. Nettles (2005), Global seismicity of 2003: Centroid-moment-tensor solutions for 1087 earthquakes, Phys. Earth Planet. Inter., 148, 327-351.
13. Ekström, G., M. Nettles, and V. C. Tsai (2006), Seasonality and increasing frequency of Greenland glacial earthquakes, Science, 311, 1756-1758, doi:10.1126/science.1122112.
14. Hooke, R. L. (2005), Principles of Glacier Mechanics, 2nd ed., Cambridge Univ. Press, New York.
15. Howat, I. M., I. Joughin, S. Tulaczyk, and S. Gogineni (2005), Rapid retreat and acceleration of Helheim Glacier, east Greenland, Geophys. Res. Lett., 32, L22502, doi:10.1029/2005GL024737.
16. Joughin, I., W. Abdalati, and M. Fahnestock (2004), Large fluctuations in speed on Greenland's Jakobshavn Isbrae glacier, Nature, 432, 608-610.
17. Kanamori, H., and J. W. Given (1982), Analysis of long-period seismic waves excited by the May 18, 1980, eruption of Mount St. Helens: A terrestrial monopole, J. Geophys. Res., 87, 5422-5432.
18. Kawakatsu, H. (1989), Centroid single force inversion of seismic waves generated by landslides, J. Geophys. Res., 94, 12,363-12,374.
19. Luckman, A., and T. Murray (2005), Seasonal variation in velocity before retreat of Jakobshavn Isbrae, Greenland, Geophys. Res. Lett., 32, L08501, doi:10.1029/2005GL022519.
20. Morgan, V. I., T. H. Jacka, G. J. Akerman, and A. L. Clarke (1982), Outlet glacier and mass-budget studies in Enderby, Kemp, and MacRobertson Lands, Antarctica, Ann. Glaciol., 3, 204-210.
21. Paterson, W. S. B. (2002), The Physics of Glaciers, 3rd ed., Elsevier, New York.
22. Qamar, A. (1988), Calving icebergs: A source of low-frequency seismic signals from Columbia Glacier, Alaska, J. Geophys. Res., 93, 6615-6623.
23. Rignot, E., D. Braaten, S. P. Gogineni, W. B. Krabill, and J. R. McConnell (2004), Rapid ice discharge from southeast Greenland glaciers, Geophys. Res. Lett., 31, L10401, doi:10.1029/2004GL019474.
24. Smith, G. P., and G. Ekström (1997), Interpretation of earthquake epicenter and CMT centroid locations in terms of rupture length and direction, Phys. Earth Planet. Inter., 102, 123-132.
25. Stroeve, J. C., M. C. Serreze, F. Fetterer, T. Arbetter, W. Meier, J. Maslanik, and K. Knowles (2005), Tracking the Arctic's shrinking ice cover: Another extreme September minimum in 2004, Geophys. Res. Lett., 32, L04501, doi:10.1029/2004GL021810.
26. Stuart, G., T. Murray, A. Brisbourne, P. Styles, and S. Toon (2005), Seismic emissions from a surging glacier: Bakaninbreen, Svalbard, Ann. Glaciol., 42, 151-157.
27. Van Wormer, D., and E. Berg (1973), Seismic evidence for glacier motion, J. Glaciol., 12, 259-265.
28. Walsh, J. E., and W. L. Chapman (2001), 20th-century sea-ice variations from observational data, Ann. Glaciol., 33, 444-448.
29. Weaver, C. S., and S. D. Malone (1979), Seismic evidence for discrete glacier motion at the rock-ice interface, J. Glaciol., 23, 171-184.
30. Wolf, L. W., and J. N. Davies (1986), Glacier-generated earthquakes from Prince William Sound, Alaska, Bull. Seismol. Soc. Am., 76, 367-379.
31. Zwally, H. J., W. Abdalati, T. Herring, K. Larson, J. Saba, and K. Steffen (2002), Surface melt-induced acceleration of Greenland ice-sheet flow, Science, 297, 218-222.