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Draft:Calabash resonances

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A calabash resonance is a prolonged seismic oscillation that can occur within the magma chamber-conduit system of a volcano. These resonances potentially arise when seismic waves, slowed and trapped by the contrast in velocities between magma and surrounding rock, undergo multiple reflections inside the magma-filled structures. External seismic events, like volcanic-tectonic earthquakes, trigger these oscillations, which persist as distinct resonance frequencies.

The calabash resonance is named for its resemblance to the shape of the calabash fruit.[1]

References

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  1. ^ Fabian Limberger, Georg Rümpker (2024-07-19), "Numerical modeling predicts seismic resonances in the magma chamber-conduit system due to wavefield capturing", Volcanica, vol. 7, no. 2, pp. 461–470, doi:10.30909/vol.07.02.461470, ISSN 2610-3540, retrieved 2024-11-18