Results 181 to 190 of about 20,994 (212)
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The seismicity of Fennoscandia
Tectonophysics, 1992Abstract The randomness of the seismic activity in different parts of Fennoscandia has been tested. The results have been compared to an earlier corresponding investigation for the Mid-Atlantic Ridge and we have noticed a behaviour of the time-frequency relation of earthquake occurrence similar to that of the Ridge.
Rune Olsson, Efthimios Skordas
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Expeditions to Fennoscandia in 2020
Berichte zur Polar- und Meeresforschung, 2021Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine ...
Fuchs, Matthias +3 more
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Tectonophysics, 1979
Abstract Seismic risk is calculated by means of recurrence periods, obtained from least squares relations between number of earthquakes and magnitude. This method is described and applied to Fennoscandia. The results, summarized in tabular form, give the seismic risk for 54 regions, each comprising 2° in latitude and 2° in longitude, and for the ...
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Abstract Seismic risk is calculated by means of recurrence periods, obtained from least squares relations between number of earthquakes and magnitude. This method is described and applied to Fennoscandia. The results, summarized in tabular form, give the seismic risk for 54 regions, each comprising 2° in latitude and 2° in longitude, and for the ...
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On upper mantle seismic heterogeneities beneath Fennoscandia
Tectonophysics, 1982Abstract Three-dimensional seismic mapping of the upper mantle beneath Fennoscandia (Baltic Shield) using an ACH-type of inversion technique in combination with P-wave travel-time residual observations from the local seismograph network gave the following results.
Husebye, E. S., Hovland, J.
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Seismo-tectonics in Fennoscandia
Geologiska Föreningen i Stockholm Förhandlingar, 1978Abstract Studies of seismic risk in Sweden indicate that there is coherence between the epicentres of earthquakes and the tectonics. On the basis of the existing seismic data and the tectonics, eleven seismo-tectonic zones are suggested for the Fennoscandian Shield.
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Palaeoproterozoic accretionary processes in Fennoscandia
Geological Society, London, Special Publications, 2009Abstract Accretionary processes contributed to major continental growth in Fennoscandia during the Palaeoproterozoic, mainly from 2.1 to 1.8 Ga. The composite Svecofennian orogen covers c . 1×10 6 km 2 and comprises the Lapland–Savo, Fennia, Svecobaltic and ...
Raimo Lahtinen +3 more
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Event detectability of seismograph stations in Fennoscandia
Physics of the Earth and Planetary Interiors, 1976Abstract The event detection probability as a function of ISC magnitude shows significant variations between seismic stations in Fennoscandia. In the teleseismic range, the 50% incremental detection thresholds extend from m b = 4.5 to 5.5 among those stations that reported to the ISC during 1964–1969; the best stations being located in Finland ...
Pirhonen, S. +2 more
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Diet overlap among ruminants in Fennoscandia
Oecologia, 2000Information on overlap in resource use is central to understanding of interspecific exploitation competition and resource partitioning. Despite this, measures of diet overlap among northern ruminants in Fennoscandia is limited to one earlier study (reindeer and sheep).
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The Autumnal Moth in Fennoscandia
1988Mountain birch, Betula pubescens Ehrhart ssp. tortuosa (Ledebour) Nyman, forests form the tree line in northwestern Europe and are periodically defoliated by the autumnal moth, Epirrita = Oporinia autumnata (Borkhausen). This chapter analyzes the population dynamics of Epirrita, but many of our conclusions may apply to other defoliators, such as ...
Erkki Haukioja +3 more
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