Abstract
Continuous data recorded at 39 broadband stations near the Longmen Shan Fault operated by the China Earthquake Administration from 1 January 2008 to 30 September 2010 are used to study temporal variability in direct surface wave arrivals extracted from ambient noise. We use a cross-correlation technique to compute Empirical green functions (EGFs) for all available station pairs at the frequency range of 0.1 to 0.5Hz. Delay times are measured by cross-correlating reference empirical green functions and moving 60-day stacks of EGFs. By comparing the temporal changes with and without the correction for seasonal variations, our results show that for some station pairs temporal variations were strongly affected by the seasonal variation. After correction for seasonal variations, we measure a 0.5-% maximum velocity drop after the 2008 Ms8.0 earthquake in Sichuan, China. We find that the Sichuan Basin exhibited a larger relative velocity drop than the Tibetan plateau area. Our results suggest that correction for seasonal variation is an important procedure for monitoring temporal variations in crustal properties using the direct arrival surface waves extracted from ambient noise.
Similar content being viewed by others
References
Bensen GD, Ritzwoller MH, Barmin MP, Levshin AL, Lin F, Moschetti MP, Shapiro NM, Yang Y (2007) Processing seismic ambient noise data to obtain reliable broad-band surface wave dispersion measurements. Geophys J Int 169:1239–1260. doi:10.1111/j.1365-246X.2007.03374.x
Bensen, G. D., Ritzwoller, M. H., and N. M. Shapiro (2008), Broadband ambient noise surface wave tomography across the United States. J. Geophys. Res., 113, doi:10.1029/2007JB005248
Brenguier F, Shapiro NM, Campillo M, Ferrazzini V, Duputel Z, Coutant O, Nercessian A (2008a) Towards forecasting volcanic eruptions using seismic noise. Nat Geosci 1:126–130. doi:10.1038/ngeo104
Brenguier F, Campillo M, Hadziioannou C, Shapiro NM, Nadeau RM, Larose E (2008b) Postseismic relaxation along the San Andreas Fault at Parkfield from continuous seismological observations. Science 321:1478–1481
Campillo M, Paul A (2003) Long-range correlations in the diffuse seismic coda. Science 299:547–549
Chen, J. H., B. Froment, Q. Y. Liu, and M. Campillo (2010) Distribution of seismic wave speed changes associated with the 12 May 2008 Mw 7.9 Wenchuan earthquake. Geophys Res Lett, 37, doi: 10.1029/2010GL044582
Cheng X, Niu FL, Wang BS (2010) Coseismic velocity change in the rupture zone of the 2008 Mw 7.9 Wenchuan earthquake observed from ambient seismic noise. Bull Seismol Soc Am 100:2539–2550. doi:10.1785/0120090329
Cho KH, Herrmann RB, Ammon CJ, Lee K (2007) Imaging the crust of the Korean peninsula by surface wave tomography. Bull Seismol Soc Am 97:198–207
Efron B, Gong G (1983) A leisurely look at the boot-strap, the jackknife, and cross-validation. Am Stat 37:36–48
Ekström G, Abers GA, Webb SC (2009) Determination of surface-wave phase velocities across US Array from noise and Aki’s spectral formulation. Geophys Res Lett 36:L18301. doi:10.1029/2009GL039131
Froment B, Campillo M, Roux P, Gouedard P, Verdel A, Weaver RL (2010) Estimation of the effect of nonisotropically distributed energy on the apparent arrival time in correlations. Geophysics 75(5):SA85–SA93
Froment B, Campillo M, Chen JH, Liu QY (2013) Deformation at depth associated with the 12 May 2008 Mw 7.9 Wenchuan earthquake from seismic ambient noise monitoring. Geophys Res Lett 40:78–82. doi:10.1029/2012GL053995,2013
Harmon N, Rychert C, Gerstoft P (2010) Distribution of noise sources for seismic interferometry. Geophys J Int 183(3):1470–1484
Jiang ZS, Fang Y, Wu YQ (2009) The dynamic process of regional crustal movement and deformation before Wenchuan Ms8.0 earthquake. Chin J Geophys (in Chinese) 52:505–518
Lei JS, Zhao DP, Su JR (2009) Fine seismic structure under the Longmen Shan fault zone and the mechanism of the large Wenchuan earthquake. Chin J Geophys (in Chinese) 52(2):339–345
Li HY, Su W, Wang CY (2009) Ambient noise Rayleigh wave tomography in western Sichuan and eastern Tibet, Earth Planet. Sci Lett 282:201–211
Li HY, Bernardi F, Michelini A (2010) Surface wave dispersion measurements from ambient seismic noise analysis in Italy. Geophys J Int 180:1242–1252
Li HY, Li S, Song XD, Gong M, Li X, Jia J (2012) Crustal and uppermost mantle velocity structure beneath northwestern China from seismic ambient noise tomography. Geophys J Int 188:131–143. doi:10.1111/j.1365-246X.2011.05205.x
Lin F, Ritzwoller MH, Townend J, Bannister S, Savage MK (2007) Ambient noise Rayleigh wave tomography of New Zealand. Geophys J Int 170(2):649–666
Lin F, Moschetti MP, Ritzwoller MH (2008) Surface wave tomography of the western United States from ambient noise: Rayleigh and Love wave phase velocity maps. Geophys J Int 173:281–298. doi:10.1111/j.1365-246X.2008.03720.x
Liu ZK, Huang JL (2010) Temporal changes of seismic velocity around the Wenchuan earthquake fault zone from ambient seismic noise correlation. Chin J Geophys (in Chinese) 53:853–863. doi:10.3969/j.issn. 001-5733.2010.04.010
Obermann A, Froment B, Campillo M, Larose E, Planès T, Valette B, Chen JH, Liu QY (2014) Seismic noise correlations to image structural and mechanical changes associated with the Mw 7.9 2008 Wenchuan earthquake. J Geophys Res Solid Earth 119(4):3155–3168. doi:10.1002/2013JB010932
Roux P, Sabra KG, Gerstoft P, Kuperman WA, Fehler MC (2005) P-waves from cross-correlation of seismic noise. Geophys Res Lett 32:L19303. doi:10.1029/2005GL023803
Royden LH, Burchiel BC, Van der Hilst RD (2008) The geological evolution of the Tibetan Plateau. Science 321:1045–1058
Sabra KG, Gerstoft P, Roux P, Kuperman WA, Fehler MC (2005) Surface wave tomography from microseism in southern California. Geophys Res Lett 32:L14311. doi:10.1029/2005GL023155
Shapiro NM, Campillo M (2004) Emergence of broadband Rayleigh waves from correlations of the ambient seismic noise. Geophys Res Lett 31:L07614. doi:10.1029/2004GL019491
Shen Y, Ren Y, Gao H, Savage B (2012) An improved method to extract very-broadband empirical green functions from ambient seismic noise. Bull Seismol Soc Am 102(4):1872–1877. doi:10.1785/0120120023
Stehly L, Campillo M, Shapiro NM (2007) Travel time measurements from noise correlation: stability and detection of instrumental errors. Geophys J Int 171:223–230
Wang WM, Li J, Yao ZX (2008) Rupture process of the Ms8.0 Wenchuan earthquake of Sichuan, China. Chin J Geophys (in Chinese) 51:1403–1410
Wang Z, Fukao Y, Pei SP (2009) Structure control of rupturing of the Mw7.9 (2008) Wenchuan Earthquake. Chin Earth Planet Sci Lett 279:131–138
Wegler U, Sens-Schönfelder C (2007) Fault zone monitoring with passive image interferometry. Geophys J Int 168:1029–1033. doi:10.1111/j.1365-246X.2006.03284.x
Wu JP, Huang Y, Zhang TZ (2009) Aftershock distribution of the Ms8.0 Wenchuan earthquake and three dimension P-wave velocity structure in and around source region. Chin J Geophys (in Chinese) 52(2):320–328
Xu XW, Wen XZ, Yu GH, Chen GH, Klinger Y, Hubbard J, Shaw J (2009) Coseismic reverse- and oblique-slip surface faulting generated by the 2008 Mw 7.9. Wenchuan Earthquake China Geol 37(6):515–518
Yang Y, Ritzwoller MH, Levshin AL, Shapiro NM (2007) Ambient noise Rayleigh wave tomography across Europe. Geophys J Int 168:259–274
Yao H, van der Hilst RD, de Hoop MV (2006) Surface-wave tomography in SE Tibet from ambient seismic noise and two-station analysis—I. Phase velocity maps. Geophys J Int 166:732–744. doi:10.1111/j.1365-246X.2006.03028.x
Yao H, Beghein C, van der Hilst RD (2008) Surface wave array tomography in SE Tibet from ambient seismic noise and two-station analysis: II. Crustal and upper-mantle structure. Geophys J Int 173:205–219. doi:10.1111/j.1365-246X.2007.03696.x
Zhan Z, Clayton RW (2010) Apparent velocity change caused by temporal variation of frequency content of ambient seismic noise. AGU, Fall Meeting 2010, abstract #S21D-08
Zhang J, Gerstoft P, Shearer PM (2010) Resolving P-wave travel-time anomalies using seismic array observations of oceanic storms. Earth Planet Sci Lett 292:419–427. doi:10.1016/j.epsl.2010.02.014
Zhang PZ, Xu XW, Wen XZ (2008) Slip rates and recurrence intervals of the Longmen Shan active fault zone, and tectonic implications for the mechanism of the May 12 Wenchuan earthquake, 2008, Sichuan, China. Chin J Geophys (in Chinese) 51:1066–1073
Zhang Y, Xu LS, Chen YT (2009) Spatio-temporal variation of the source mechanism of the 2008 great Wenchuan earthquake. Chin J Geophys (in Chinese) 53:379–380
Zheng XF, Ouyang B, Zhang DN (2009) Technical system construction of data backup centre for china seismograph network and the data support to researches on the Wenchuan earthquake. Chin J Geophys (in Chinese) 52:1412–1417. doi:10.3969/j.issn. 0001-5733.2009.05.031
Acknowledgments
This research was supported by Open Fund (No. GDL1202) of Key Laboratory of Geo-detection (China University of Geosciences, Beijing), Ministry of Education, National Science Foundation of China under Grant 41174050, the Program for New Century Excellent Talents in University (NCET), the Fundamental Research Funds for the Central Universities, and the US National Science Foundation under Grant 0738779.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Gong, M., Shen, Y., Li, H. et al. Effects of seasonal changes in ambient noise sources on monitoring temporal variations in crustal properties. J Seismol 19, 781–790 (2015). https://doi.org/10.1007/s10950-015-9494-z
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10950-015-9494-z