What type of study is this?

This is a Observational study (also classified as: Numerical Modeling).

Thermospheric infrasound from the 2024-Sep-18 Toropets ammunition depot explosions: signal variability and source characterization

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Observations of infrasound reveal waveform characteristics and propagation paths, suggesting insights into explosive source sizes.

Observations from the Toropets explosions indicate varying group velocities of infrasound during propagation.
The infrasound signals show an increase in group velocity from 238 to 252 m/s, suggesting path adjustments.
Numerical modeling compared with the observations helps refine estimations of source characteristics.
Findings could improve methodologies for estimating acoustic source size and understanding uncertainties.

Green et al. (2025) studied this question.

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