Articles | Volume 9, issue 6
https://doi.org/10.5194/se-9-1487-2018
https://doi.org/10.5194/se-9-1487-2018
Research article
 | 
14 Dec 2018
Research article |  | 14 Dec 2018

Obtaining reliable source locations with time reverse imaging: limits to array design, velocity models and signal-to-noise ratios

Claudia Werner and Erik H. Saenger

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Cited articles

Anderson, B. E., Griffa, M., Ulrich, T. J., and Johnson, P. A.: Time reversal reconstruction of finite sized sources in elastic media, J. Acoust. Soc. Am., 130, EL219–EL225, https://doi.org/10.1121/1.3635378, 2011.
Artman, B., Podladtchikov, I., and Witten, B.: Source location using time-reverse imaging, Geophys. Prospect., 58, 861–873, https://doi.org/10.1111/j.1365-2478.2010.00911.x, 2010.
Brocher, T. M.: Empirical relations between elastic wavespeeds and density in the Earth's crust, B. Seismol. Soc. Am., 95, 2081–2092, https://doi.org/10.1785/0120050077, 2005.
Clayton, R. W. and Engquist, B.: Absorbing boundary conditions for wave-equation migration, Geophysics, 45, 895–904, https://doi.org/10.1190/1.1441094, 1980.
Dougherty, M. E. and Stephen, R. A.: Seismic energy partitioning and scattering in laterally heterogeneous ocean crust, Pure Appl. Geophys., 128, 195–229, https://doi.org/10.1007/BF01772597, 1988.
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Short summary
Time reverse imaging is a method for locating quasi-simultaneous or low-amplitude earthquakes. Numerous three-dimensional synthetic simulations were performed to discover the influence of station distributions, complex velocity models and high noise rates on the reliability of localisations. The guidelines obtained enable the estimation of the localisation success rates of an existing station set-up and provide the basis for designing new arrays.