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High-frequency ambient noise tomography of southeast Australia: New constraints on Tasmania's tectonic past

Young, Mallory; Rawlinson, Nicholas; Arroucau, Pierre; Reading, Anya M; Tkalcic, Hrvoje


The island of Tasmania, at the southeast tip of Australia, is an ideal natural laboratory for ambient noise tomography, as the surrounding oceans provide an energetic and relatively even distribution of noise sources. We extract Rayleigh wave dispersion curves from the continuous records of 104 stations with ∼15 km separation. Unlike most passive experiments of this type, which observe very little coherent noise below a 5 s period, we clearly detect energy at periods as short as 1 s, thanks...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Geophysical Research Letters
DOI: 10.1029/2011GL047971
Access Rights: Open Access


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