SEISMOLOGICAL REPORTS FOR MAY, 1916

New online-only Case Reports - May listing

Global Tectonic Regionalization for Seismological Data Analysis

A global tectonic regionalization, GTR1, has been constructed for use in seismological studies of aspherical heterogeneity. Three oceanic regions are defined by equal increments in the square root of crustal age (25and lO0-m.y. isochrons), and three continental regions are distinguished according to their generalized tectonic behavior during the Phanerozoic (Precambrian shields and platforms, P...

Seismological Constraints upon Mantle Composition

T32B-03, pp. WP193–WP194. Birch F. (1952) Elasticity and constitution of the Earth’s interior. J. Geophys. Res. 57, 227–286. Brodholt J. P. (2000) Pressure-induced changes in the compression mechanism of aluminous perovskite in the Earth’s mantle. Nature 407, 620–622. Castle J. C. and Creager K. C. (1999) A steeply dipping discontinuity in the lower mantle beneath Izu-Bonin. J. Geophys. Res. 10...

The so-called Great Spanish Influenza Pandemic of 1918 may have originated in France in 1916.

This discussion piece examines the likely epicentre of the influenza pandemic of 1918-1919. Contrary to previous studies that have proposed a Chinese origin, there is documentation that suggests that, in this instance, the virus spread eastwards to China from Europe. Although more recent oubreaks of influenza have undoubtedly had an Oriental origin, the evidence indicates that future outbreaks ...

Francis Crick 1916–2004

In March 1953, 31 years after Howard Carter’s astonishing first glimpse into Tutankhamun's tomb, an even more golden treasure was found. Francis Crick and Jim Watson shared that moment of discovery as they looked, for the first time, into the heart of all living things. They saw the structure of DNA, and their vision became the big bang of modern biology. Francis’ life in research began inauspi...