Ambient noise Rayleigh wave tomography across the Madagascar island
نویسندگان
چکیده
منابع مشابه
Ambient Noise Rayleigh Wave Tomography of New Zealand
Fan-Chi Lin1, Michael H. Ritzwoller1, John Townend2, Stephen Bannister3 and Martha K. Savage2 1Center for Imaging the Earth’s Interior, Department of Physics, University of Colorado at Boulder, Boulder, CO 80309-0390, USA. E-mail: [email protected] 2Institute of Geophysics, School of Geography, Environment, and Earth Sciences, Victoria University of Wellington, PO Box 600, Wellington 6040,...
متن کاملSurface wave tomography of the western United States from ambient seismic noise: Rayleigh wave group velocity maps
[1] We have applied ambient noise surface wave tomography to data that have emerged continuously from the EarthScope USArray Transportable Array (TA) between October 2004 and January 2007. Estimated Green’s functions result by cross-correlating noise records between every station-pair in the network. The 340 stations yield a total of more than 55,000 interstation paths. Within the 5to 50-s peri...
متن کاملIs Ambient Noise Tomography Across Ocean Basins Possible?
[1] Based on year-long cross-correlations of broad-band seismic records obtained at sixty-six stations within or adjacent to the Pacific Basin, we show that broad-band ambient noise is observed to propagate coherently between island stations and between island and continent stations. For many station pairs, high signal-to-noise ratio (SNR) fundamental mode Rayleigh wave Green functions are obse...
متن کاملSurface Wave Tomography of China from Ambient Seismic Noise Correlation
We perform ambient noise tomography of China using the data from the China National Seismic Network and surrounding global and regional stations. For most of the station pairs, we retrieve good Rayleigh waveforms from ambient noise correlations using 18-months of continuous data at all distance ranges across the entire region (over 5000 km) and for periods from 70 s down to about 8 s. We obtain...
متن کاملHigh-resolution surface-wave tomography from ambient seismic noise.
Cross-correlation of 1 month of ambient seismic noise recorded at USArray stations in California yields hundreds of short-period surface-wave group-speed measurements on interstation paths. We used these measurements to construct tomographic images of the principal geological units of California, with low-speed anomalies corresponding to the main sedimentary basins and high-speed anomalies corr...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Geophysical Journal International
سال: 2019
ISSN: 0956-540X,1365-246X
DOI: 10.1093/gji/ggz542