Results 51 to 60 of about 43,016 (162)

Influence of model parameters on synthesized high-frequency strong-motion waveforms [PDF]

open access: yes, 2010
Waveform modeling is an important and helpful instrument of modern seismology that may provide valuable information. However, synthesizing seismograms requires to define many parameters, which differently affect the final result.
Bezzeghoud, Mourad   +3 more
core  

Seismic Velocity Variations, Ground Deformation and the Role of Fluids During a Low‐Energy Seismic Swarm

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract On March 9th $9\mathrm{th}$, 2023, three small earthquakes (3.8≤Mw≤4.5) $(3.8\le {M}_{w}\le 4.5)$ occurred near Umbertide (Central Italy), within 4 hours. Analyzing seismic ambient noise in the frequency band 0.1–1 Hz from six seismometers within 20 km of the Mw 4.5, we detect a significant drop in seismic velocity at the time of occurrence of
Eugenio Mandler   +7 more
wiley   +1 more source

Preliminares

open access: yesEarth Sciences Research Journal, 2002
Páginas preliminares con información sobre el comité editorial y la nota de la ...
Geofísica Colombiana
doaj  

ASSOCIAZIONE GEOFISICA ITALIANA Vi CONVEGNO ANNUALE

open access: yesAnnals of Geophysics, 1956
Nei giorni 9 e 10 novembre 1950 si è tenuto in Roma presso la Sede<br />dell'Istituto Nazionale di Geofìsica il VI Convegno Annuale dell'Associazione<br />Geofìsica Italiana.
AAVV AAVV
doaj   +1 more source

“Western Mediterranean” (WM) broad band network: permanent seismic monitoring at the Ibero-Maghrebian region [PDF]

open access: yes, 2008
The “Ibero-Maghrebian” region, a western part of the Eurasia-Africa plate boundary, is a broad deformation area without a well defined plate boundary line, comprising the Southern part of the Iberian Peninsula, the Northwestern part of Africa, the Gulf ...
Benzzeghoud, M   +9 more
core  

Tracking Subsurface Changes via Frequency Shifts in Volcanic Tremor Spectral Lines: Observations From Mt Etna

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract Episodes of volcanic tremor provide valuable insights into the dynamics of subsurface processes at active volcanoes. Previous studies have suggested that evolving tremor properties may relate to changes in the stress conditions of the plumbing system. However, a strong causative link has remained elusive.
A. S. Yates   +6 more
wiley   +1 more source

Nota editorial

open access: yesEarth Sciences Research Journal, 2001
<p class="MsoNormal" style="margin-bottom: 0.0001pt;"><span style="font-size: 12pt; font-family: Arial, sans-serif;" lang="EN-US">Con un gran esfuerzo conjunto de investigadores nacionales se ofrece este nuevo </span><span style ...
Geofísica Colombiana
doaj  

El Niño/SST of Puerto Chicama and indian summer monsoon rainfall: statistical relationships

open access: yesGeofísica Internacional, 1988
Utilizando datos para el período 1871-1985. Se presenta una investigación estadística de la relación entre la precipitación pluvial durante el monzón de verano para todo el territorio de la India y la temperatura de la superficie del mar (SST) de Puerto ...
B. Parthasarathy, N. A. Sontakke
doaj   +1 more source

Chemically Driven Nano‐Elastic Heterogeneities Control Fragility in Volcanic Melts

open access: yesAdvanced Science, Volume 13, Issue 5, 27 January 2026.
The study elucidates how nanoscale structural heterogeneity governs the mechanical behavior of volcanic glasses across compositions from basalt to rhyolite. Using a physicochemical framework, correlation length (ξ) and microscopic free volume (Vc) are derived from vibrational and physical properties, revealing systematic trends with silica content that
Michele Cassetta   +13 more
wiley   +1 more source

Preliminares

open access: yesEarth Sciences Research Journal, 1993
Páginas preliminares con información sobre el comité editorial y la tabla de ...
Geofísica Colombiana
doaj  

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