Article
A web calculator based on hydrodynamic modeling of impacts of cosmic objects from 20 m to 3 km in diameter
Vladimir Svetsov,
Valery Shuvalov,
Dmitry Glazachev,
Olga Popova,
Natalia Artemieva,
Elena Podobnaya,
Valery Khazins,
Corresponding Author
Vladimir Svetsov
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Correspondence
Vladimir Svetsov, Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia.
Email: [email protected]
Search for more papers by this authorValery Shuvalov
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorDmitry Glazachev
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorOlga Popova
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorNatalia Artemieva
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorElena Podobnaya
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorValery Khazins
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorVladimir Svetsov,
Valery Shuvalov,
Dmitry Glazachev,
Olga Popova,
Natalia Artemieva,
Elena Podobnaya,
Valery Khazins,
Corresponding Author
Vladimir Svetsov
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Correspondence
Vladimir Svetsov, Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia.
Email: [email protected]
Search for more papers by this authorValery Shuvalov
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorDmitry Glazachev
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorOlga Popova
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorNatalia Artemieva
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorElena Podobnaya
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorValery Khazins
Sadovsky Institute of Geosphere Dynamics, Russian Academy of Sciences, Moscow, Russia
Search for more papers by this authorFirst published: 19 February 2025
Editorial Handling—Dr. Steven Jaret
Abstract
We completed numerical simulations of a number of asteroid and comet impacts on Earth to predict related shock wave and thermal radiation effects and to estimate seismic effects, as well as ionospheric disturbances. Using interpolation of the results, we were able to estimate these effects for arbitrary impact parameters. In addition, we used previously developed models to estimate the size of the impact crater and ejecta thickness. Finally, we developed a user-friendly web-based calculator (https://asteroidhazard.pro/) that quickly estimates shock wave pressure and radiation exposure at a given location, as well as crater size and average ejecta layer thickness, if any, seismic magnitude, change in ionospheric density, and some other values. The input parameters of the calculator are the impactor diameter and density, its speed and inclination angle of the trajectory above the atmosphere, and the coordinates of the observer (the point on the ground where it is necessary to determine the impact consequences). This paper describes the methods of numerical simulations and techniques for approximating the results. We present a few examples of how to assess the impact hazard, in particular, overpressure and wind speed on the surface, thermal radiation, and seismic shaking after a crater-forming impact or an airburst in the atmosphere.
Open Research
Data availability statement
Data sharing not applicable to this article as no datasets were generated or analysed during the current study.
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