Artifacts of teleseismic body-wave inversion

Don L. Anderson

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A cylinder (a) and a pillbox (b) both give a tent or cone plus rabbit ears when teleseismic body waves are inverted

Slowness perturbations Keller et al.

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Examples of Rabbit Ear artifacts resulting from use of teleseismic body waves

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Foulger et al.

West et al.

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Rabbit Ear artifacts result from use of teleseismic body waves

Foulger et al.

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West et al.

Wolfe et al.

SCIENCE 2009

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Rabbit ears artifact

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Wolfe et al. 2009

Yellowstone Hawaii

Rabbit ear artifacts?

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The shallow anomaly is saturated but is about 3 %; the deep one about 0.5 %

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Test object; 2 % with Gaussian taper over 100-km

Result; 1 % with faint rabbit ears

Question: what would be the result if the test object were 3 %,with sharp edges?