scholarly journals Study on the crustal velocity structure of the Dunhua-Mishan fault based on the dense seismic array by ambient noise tomography

2021 ◽  
Vol 861 (5) ◽  
pp. 052020
Author(s):  
Jiao Mingruo ◽  
Wang Liang ◽  
Zhang Guangwei ◽  
Zhang Zhihong ◽  
Li Mengying ◽  
...  
Keyword(s):  
Ambient Noise ◽  
Velocity Structure ◽  
Seismic Array ◽  
Ambient Noise Tomography ◽  
Crustal Velocity ◽  
Crustal Velocity Structure ◽  
Dense Seismic Array

scholarly journals Crustal velocity structure of Central and Eastern Turkey from ambient noise tomography

2013 ◽  
Vol 194 (3) ◽  
pp. 1941-1954 ◽  
Author(s):  
L. M. Warren ◽  
S. L. Beck ◽  
C. B. Biryol ◽  
G. Zandt ◽  
A. A. Ozacar ◽  
...  
Keyword(s):  
Ambient Noise ◽  
Velocity Structure ◽  
Ambient Noise Tomography ◽  
Crustal Velocity ◽  
Crustal Velocity Structure ◽  
Eastern Turkey

scholarly journals High-resolution 3D shallow crustal structure in Long Beach, California: Application of ambient noise tomography on a dense seismic array

Geophysics ◽  
2013 ◽  
Vol 78 (4) ◽  
pp. Q45-Q56 ◽  
Author(s):  
Fan-Chi Lin ◽  
Dunzhu Li ◽  
Robert W. Clayton ◽  
Dan Hollis
Keyword(s):  
Phase Velocity ◽  
Ambient Noise ◽  
Velocity Structure ◽  
Shear Velocity ◽  
Seismic Array ◽  
Clear Correlation ◽  
Long Beach ◽  
Ambient Noise Tomography ◽  
Station Pair ◽  
Dense Seismic Array

Ambient noise tomography has proven to be effective in resolving shallow earth structure. We applied ambient noise tomography on a dense seismic array in Long Beach, California. The array was composed of more than 5200 stations with an average spacing close to 100 m. Three weeks of passive ambient noise were crosscorrelated between each station pair, which resulted in more than 13.5 million crosscorrelations within the area. Clear fundamental-mode Rayleigh waves were observed between 0.5 and 4 Hz, which were most sensitive to structure above 1-km depth. For each station pair, we applied frequency-time analysis to determine the phase traveltime dispersion, and, for each frequency, we applied eikonal tomography to determine the Rayleigh wave phase velocity map. The eikonal tomography accounted for ray bending by tracking the wavefront and allowed uncertainties to be estimated through statistical analysis. The compilation of phase velocity maps was then used to invert for 3D shear velocity structure. The inverted model showed clear correlation with the known geologic features such as the shallow south–north velocity dichotomy and a deeper fast anomaly associated with the Newport-Inglewood fault zone. Our results can potentially be used to complement traditional active source studies.

A pilot project of ambient noise tomography on a dense seismic array in Ji’nan urban area

2018 ◽  
Vol 31 (5-6) ◽  
pp. 262-271
Author(s):  
Feng Liang ◽  
◽  
Lei Gao ◽  
Zhihui Wang ◽  
Tao Wang ◽  
...  
Keyword(s):  
Urban Area ◽  
Ambient Noise ◽  
Pilot Project ◽  
Seismic Array ◽  
Ambient Noise Tomography ◽  
Dense Seismic Array

Ambient noise tomography across Mount St. Helens using a dense seismic array

2017 ◽  
Vol 122 (6) ◽  
pp. 4492-4508 ◽  
Author(s):  
Yadong Wang ◽  
Fan-Chi Lin ◽  
Brandon Schmandt ◽  
Jamie Farrell
Keyword(s):  
Ambient Noise ◽  
Seismic Array ◽  
Ambient Noise Tomography ◽  
Dense Seismic Array ◽  
Mount St Helens

Crustal velocity structure under the RUKSA seismic array (Karelia, Russia)

2006 ◽  
Vol 8 (1) ◽  
pp. 1-8 ◽  
Author(s):  
I. M. Aleshin ◽  
G. L. Kosarev ◽  
O. Yu. Riznichenko ◽  
I. A. Sanina
Keyword(s):  
Velocity Structure ◽  
Seismic Array ◽  
Crustal Velocity ◽  
Crustal Velocity Structure
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