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Wide band-gap seismic metastructures
Extreme Mechanics Letters, 2015Metamaterials exploit local resonances to reflect acoustic signals with wavelengths well above the characteristic size of the material’s structure. This has allowed obtaining materials that present low-frequency (albeit narrow) band gaps or devices for optical and acoustic cloaking.
S. Krödel, N. Thomé, C. Daraio
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Filling the Information Gap with Broadband Seismic
Proceedings, 2014In the past years, numerous efforts have been made to increase the bandwidth of seismic data, both for the low and the high frequencies. Seismic data has gained two octaves in the low frequencies (from 10 Hz down to 2.5 Hz) and more than one octave in the high frequencies (from 80 Hz to 160 Hz and up to 200 Hz).
R. Soubaras, Y. Lafet
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Earth and Planetary Science Letters, 2018
Over long-term geological scales, the position and vertical movements of the coast are considered to be among the most important effects resulting from first-order plate tectonics interactions in the subduction zones.
J. González-Alfaro +10 more
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Over long-term geological scales, the position and vertical movements of the coast are considered to be among the most important effects resulting from first-order plate tectonics interactions in the subduction zones.
J. González-Alfaro +10 more
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Spatio-temporal variations of seismicity in the southern Peru and northern Chile seismic gaps
pure and applied geophysics, 1993The spatio-temporal variation of seismicity in the southern Peru and northern Chile seismic gaps is analyzed with teleseismic data (m b ≥ 5.5) between 1965 and 1991, to investigate whether these gaps present the precursory combination of compressional outer-rise and tensional downdip events observed in other subduction zones.
Diana Comte, Gerardo Suárez
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Seismic hazard analysis of Lucknow considering local and active seismic gaps
Natural Hazards, 2013The Himalayas are one of very active seismic regions in the world where devastating earthquakes of 1803 Bihar–Nepal, 1897 Shillong, 1905 Kangra, 1934 Bihar–Nepal, 1950 Assam and 2011 Sikkim were reported. Several researchers highlighted central seismic gap based on the stress accumulation in central part of Himalaya and the non-occurrence of earthquake
Abhishek Kumar +2 more
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Filling the gap in a double seismic zone: Intraslab seismicity in Northern Chile
Lithos, 2019Abstract Double seismic zones (DSZs) of intermediate-depth intraslab seismicity are observed in many subduction zones around the globe, and have been related to dehydration reactions in the downgoing crust and mantle lithosphere. These reactions occur at, to first order, constant temperatures, which explains the observed linear arrangements of ...
Sippl, C. +3 more
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Strain Accumulation in the Shumagin and Yakataga Seismic Gaps, Alaska
Science, 1986Strain accumulation during the 1980-85 interval has been measured by means of trilateration surveys in the Shumagin and Yakataga seismic gaps, which are the two regions identified as the most likely sites for the next great thrust earthquakes along the Alaska-Aleutian arc.
J C, Savage, M, Lisowski, W H, Prescott
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Fault propagation in a seismic gap area (northern Calabria, Italy): Implications for seismic hazard
Tectonophysics, 2009Abstract The Crati basin is a tectonic depression developed between the Coastal Range and the Sila Massif and is characterised by a sedimentary succession ranging between Late Miocene to Holocene age. Basin cover can be subdivided into a series of stratigraphic intervals bounded by angular unconformities.
Spina V. +3 more
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Estimation of site response functions for the central seismic gap of Himalaya, India
Natural Hazards, 2021Anjali Sharma +4 more
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