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Caption
a) 3D view of the volcano obtained by confocal migration of the reflection matrix. The image obtained is blurred by distortions of seismic waves caused by the volcano’s heterogeneities. b) Matrix imaging of the volcano obtained via adaptive focusing laws compensating for its heterogeneities. The image reveals La Soufrière’s tortuous conduit to a depth of 5 km. Beyond that, a magma storage zone was identified with a complex array of horizontal magma lenses connected to one another.
Credit
© Elsa Giraudat
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