Results 41 to 50 of about 96,657 (309)

Radio seismology of the outer solar corona [PDF]

open access: yes, 2013
Observed oscillations of coronal loops in EUV lines have been successfully used to estimate plasma parameters in the inner corona (< 0.2 R_0, where R_0 is the solar radius).
Brazhenko, A. I.   +7 more
core   +1 more source

Klyuchevskoy Volcano: new flank eruption named after G.S. Gorshkov, 2021 (Kamchatka)

open access: yesВестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2021
On February 18, 2021, a flank eruption started on the north-western slope of the Klyuchevskoy Volcano (Kamchatka, Russia). Cinder cone was formed at the altitude of 2 850 m above sea level, from which a lava flow was spreading north-west.
Озеров А.Ю.   +6 more
doaj   +1 more source

Comparative seismology of pre- and main sequence stars in the instability strip [PDF]

open access: yes, 2001
Pulsational properties of 1.8 M$_{\odot}$ stellar models covering the latest stages of contraction toward the main sequence up to early hydrogen burning phases are investigated by means of linear nonadiabatic analyses.
Baglin, Annie   +4 more
core   +2 more sources

Seismology of active stars

open access: yes, 2012
In this review we will discuss the current standing and open questions of seismology in active stars. With the longer photometric timeseries data that are --and will become-- available from space-missions such as Kepler we foresee significant progress in
Aizenman   +57 more
core   +1 more source

Appraisal of seismic noise scenario at national seismological network of India in COVID-19 lockdown situation

open access: yesGeomatics, Natural Hazards & Risk, 2020
We evaluated seismic background noise at national network in India using PSD, Fourier spectra, Spectrogram, and HVSR approach, before and during the nationwide lockdown declared due to COVID-19 pandemic.
Ajeet P. Pandey   +4 more
doaj   +1 more source

Bayesian Coronal Seismology

open access: yes, 2017
In contrast to the situation in a laboratory, the study of the solar atmosphere has to be pursued without direct access to the physical conditions of interest. Information is therefore incomplete and uncertain and inference methods need to be employed to
Arregui, I.
core   +1 more source

Citizen Seismology Without Seismologists? Lessons Learned From Mayotte Leading to Improved Collaboration

open access: yesFrontiers in Communication, 2020
Starting the 10th May 2018, a series of earthquakes has hit Mayotte, a French island in the Indian Ocean. Facing a lack of seismic data, scientific information and communication from the authorities, the inhabitants took advantage of social media to ...
Laure Fallou   +6 more
semanticscholar   +1 more source

Seismology of Procyon A: determination of mode frequencies, amplitudes, lifetimes, and granulation noise [PDF]

open access: yes, 2006
The F5 IV-V star Procyon A (aCMi) was observed in January 2001 by means of the high resolution spectrograph SARG operating with the TNG 3.5m Italian telescope (Telescopio Nazionale Galileo) at Canary Islands, exploiting the iodine cell technique.
Bonanno, A.   +5 more
core   +2 more sources

Models of the macroseismic field earthquakes and their influence on seismic hazard assessment values for Central Asia

open access: yesГеодинамика и тектонофизика, 2020
Seismic intensity assessment in points of a macroseismic scale plays an important role for researching the seismic history of areas characterized by active seismicity, as well as for construction (and updating) of seismic zoning maps in various scales ...
T. U. Artikov   +3 more
doaj   +1 more source

Observations of apparent superslow wave propagation in solar prominences [PDF]

open access: yes, 2017
Phase mixing of standing continuum Alfv\'en waves and/or continuum slow waves in atmospheric magnetic structures such as coronal arcades can create the apparent effect of a wave propagating across the magnetic field.
Baes, M.   +3 more
core   +3 more sources

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