Two kinds of pre-white dwarf stars can be probed through asteroseismology: planetary nebula nuclei (PNNs) and sdB (EHB) stars. To exploit the observed pulsations requires models that incorporate state-ofthe-art input physics and realistic evolutionary histories. Pulsation analysis of extensive grids of such models provide self-consistent theoretical pulsation periods for comparison with observe...

Seismographic registration of vibratory earth motion was begun with an experimental torsion seismometer assembly at the laboratories of the Mount Wilson Observatory in Pasadena, California, in January, 1923. Not long af terward a second assembly was put into experimental operation at the Norman Bridge Labora to ry of Physics at the California Institute of Technology at Pasadena. Wi th many smal...

the desire and drive for excellence in any endeavor in life requires an effort from the individual; in addition it requires a constellation of features around such individuals that help them to become successful. for surgeons, it is the operating room staff, the administrative and medical assistants and our residents and fellows. however, perhaps the most important contribution to a physician’s...

Earthquake data composes an ever increasing collection of earth science information for postprocessing analysis. Earth scientists, local or national administration officers and so forth, are working with these data collections for scientific or planning purposes. In this article, we discuss the architecture of a so-called seismic data management and mining system (SDMMS) for quick and easy data...

Abstract Many applications related to ground-motion studies and engineering seismology benefit from the opportunity easily download large dataset of earthquake recordings with different magnitudes. In such applications, it is important have a reliable seismic characterization stations introduce appropriate correction factors for including site amplification. Generally, networks in Europe descri...

Nice, we can report that six new members will be joining the EMSC community: Seismological Institute (Albania), CRAAG (Algeria), University of Zagreb (Croatia), Institute of Geophysics (Georgia), DEUC (Monaco) and Montenegro Seismological Observatory (Yugoslavia), So, our membership continues to expand both in our number of institutions, and through our geographical coverage. We are now 56 orga...

A critical issue in the probabilistic framework for performance-based earthquake engineering is the choice of ground motion intensity measure(s). In an effort to identify optimum intensity measure(s), a comprehensive parametric statistical study based on 881 earthquake record components was conducted to identify the correlation between (1) seismological variables (SV’s) and traditional ground m...