Magma extrusion, lava dome growth, dome collapse, and associated pyroclastic flow hazards are among the important volcanological studies. Volcán de Colima is one of the most active volcanoes in North America. It is located in the western part of the Trans-Mexican volcanic belt at 3,860 m.
Rotational seismology is a relatively new area of science. Rotational movements can be caused by earthquakes, explosions or other causes. Rotational seismology could be applied in a wide range of seismology disciplines, including strong-motion and broadband seismology, earthquake engineering, earthquake physics, seismic instrumentation, and seismic hazards. The figure shows how the various phases of an earthquake can be easily determined by using rotational sensors. Of particular interest are the anomalously large rotational movements recorded in the near zone.
The problem of estimating the apparent slowness vector of a plane P-wave generated by a regional seismic event from observations of a small-aperture seismic array is considered in the paper written by A.V. Varypaev and A.F. Kushnir. The case is considered when array sensors are affected by strong non-stationary and non-Gaussian random noise.More“Robust phase algorithms for estimating apparent slowness vectors of seismic waves from regional events”
The article “Technique of local probabilistic tsunami zonation for near field seismic sources applied to the Bechevinskaya Cove (the Kamchatka Peninsula)”, co-author is A.V. Lander, was published in the journal Natural Hazard (Q2 WoS).
The study was carried out by the staff of IEPT RAS (synthetic catalog of earthquakes), ICT SB RAS (calculation of the heights of tsunamis), IVS FEB RAS (field observations).More“Technique of local probabilistic tsunami zonation for near field seismic sources applied to the Bechevinskaya Cove (the Kamchatka Peninsula)”
The paper “Stability estimates for reconstruction from the Fourier transform on the ball” was published in “Journal of Inverse and Ill-Posed Problems” (Q1 WoS) journal. Doctor of physical and mathematical sciences Novikov R.G. is one of the authors of this article.More“Inverse scattering – Fourier analysis – super-resolution”
The Indo-Burman arc is the boundary between the India and Burma plates, north of the Sumatra–Andaman subduction zone. The existence of active subduction in the Indo-Burman arc is a debatable issue because the Indian plate converges very obliquely beneath the Burma plate. Recent GPS measurements in Bangladesh, Myanmar, and northeast India indicate 13–17 mm/y of plate convergence along a shallow dipping megathrust while most of the strike-slip motion occurs on several steep faults, consistent with patterns of strain partitioning at subduction zones.More“Modelling the seismic potential of the Indo-Burman megathrust”
There is the Workshop on Data Assimilation and Inverse Problems in Trieste Italy. It started on 18 October and will end on 29 October 2021.
The workshop organized jointly by the International Union of Geodesy and Geophysics (IUGG), ICTP, and EAIFR will discuss applications of data assimilation and inverse problem methodologies to specific geophysical fields. The related scientific progress may contribute to the solutions of major societal challenges, such as climatic and environmental changes, disaster risk reduction, and sustainability.
You can still join the Workshop and listen to lectures from world leading scientists.