Geology ReportsSearch

Geology topics

B.W. Presgrave

Publications and source records attributed to B.W. Presgrave.

5 recordsLinked to original sources

The Flinn-Engdahl Regionalisation Scheme: The 1995 revision

The Flinn-Engdahl Regionalisation Scheme, also known as the F-E Code, has been used by seismologists for many years to identify and specify regions of the Earth. The Working Group on Regionalisation of the International Association of Seismology and Physics of the Earth's Interior (IASPEI) Commission on Practice has the task of defining a new standard for the regionalisation of the Earth. In the meantime, it was agreed that a revision of the F-E Code would be appropriate. This paper presents the 1995 revision and supersedes the F-E Code standard published in 1974.

Physics of the Earth and Planetary Interiors

Seismicity of the Adriatic microplate

The Adriatic microplate was previously considered to be a unique block, tectonically active only along its margins. The seismic sequences that took place in the basin from 1986 to 1990 give new information about the geodynamics of this area. Three subsets of well recorded events were relocated by the joint hypocentre determination technique. On the whole, this seismic activity was concentrated in a belt crossing the southern Adriatic sea around latitude 42°, in connection with regional E-W fault systems. Some features of this seismicity, similar to those observed in other well known active margins of the Adriatic plate, support a model of a southern Adriatic lithospheric block, detached from the Northern one. Other geophysical information provides evidence of a transitional zone at the same latitude.

Tectonophysics