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Journal Article
Published: 01 April 2012
Bulletin of the Seismological Society of America (2012) 102 (2): 836–841.
... −0.02147 0 0.008212 0 Midband pole 2 −0.02963 0 0.01023 0 Double long‐period pole −0.01509 ±0.007148 0.001267 0.002104 * The uncertainty values denote the 3 σ confidence bounds. All random calibration data used were obtained from Global Seismographic Network (GSN...
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Journal Article
Published: 01 November 2005
Seismological Research Letters (2005) 76 (6): 678–683.
...Peter Davis; Miaki Ishii; Guy Masters © 2005 by the Seismological Society of America 2005 The Sumatra-Andaman earthquake of 26 December 2004 provides a special opportunity to validate the accuracy of sensor sensitivities reported for the IRIS Global Seismic Network (GSN). A goal...
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Journal Article
Published: 01 May 1998
Seismological Research Letters (1998) 69 (3): 206–215.
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(a) Translational low‐noise models for ground acceleration: the new low‐ an...
Published: 22 December 2023
Figure 4. (a) Translational low‐noise models for ground acceleration: the new low‐ and high‐noise models (NLNM and NHNM) by Peterson (1993) , as well as the horizontal (GSN‐H) and the vertical (GSN‐Z) low-noise model based on data of the Global Seismic Network (GSN) by Berger et al. (2004
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<span class="search-highlight">GSN</span> and <span class="search-highlight">GSN</span>* values calculated from modified slake durability tests.
Published: 01 August 2017
Table 5. GSN and GSN* values calculated from modified slake durability tests.
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Values of <span class="search-highlight">GSN</span>, <span class="search-highlight">GSN</span>*, and ratios of these two parameters to the Scour number...
Published: 01 August 2017
Table 8. Values of GSN, GSN*, and ratios of these two parameters to the Scour number.
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Regressions of <span class="search-highlight">GSN</span> and <span class="search-highlight">GSN</span>* on scour number. Negative slopes have no physic...
Published: 01 August 2017
Figure 12. Regressions of GSN and GSN* on scour number. Negative slopes have no physical meaning. Most data points plot above line with Slope = 1 indicating a non-conservative result, i.e., more scour observed than would be predicated.
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Median <span class="search-highlight">GSN</span>* according to mode of scour (<span class="search-highlight">GSN</span>* is in units of feet per foot‐p...
Published: 01 August 2017
Figure 13. Median GSN* according to mode of scour (GSN* is in units of feet per foot‐pounds per second per square feet).
Journal Article
Published: 29 November 2023
Seismological Research Letters (2024) 95 (3): 1578–1590.
...David C. Wilson; Charles R. Hutt; Lind S. Gee; Adam T. Ringler; Robert E. Anthony Abstract The U.S. Geological Survey (USGS) Global Seismographic Network (GSN) Program operates two thirds of the GSN, a network of state‐of‐the‐art, digital seismological and geophysical sensors with digital...
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Analysis of the publications identified by the GSNSC as having used <span class="search-highlight">GSN</span> dat...
Published: 26 May 2023
Figure 4. Analysis of the publications identified by the GSNSC as having used GSN data. (a) Fraction of GSN data used directly (i.e., via waveforms) versus indirectly (i.e., via data products). (b) Overlapping circles convey the indirect usage of the GSN via data products, with circle size
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Spectral characteristics of earthquake signals and ground noise for <span class="search-highlight">GSN</span>. Th...
Published: 01 May 2005
Figure 4. Spectral characteristics of earthquake signals and ground noise for GSN. The shaded area indicates the spectral range of expected earthquake signals (after Clinton and Heaton, 2002 ). The average signals from specific-magnitude events at teleseismic, regional, and local distances
Journal Article
Published: 31 March 2021
Seismological Research Letters (2021) 92 (4): 2270–2281.
... phase‐arrival information (e.g., tomography). The Global Seismographic Network (GSN) was designed with the goal of having reported timing be better than 10 ms. In this work, we provide a brief overview of how timing is kept across the GSN and discuss how clock‐quality metrics are embedded in Standard...
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Journal Article
Published: 26 May 2023
Seismological Research Letters (2024) 95 (3): 1478–1485.
...Figure 4. Analysis of the publications identified by the GSNSC as having used GSN data. (a) Fraction of GSN data used directly (i.e., via waveforms) versus indirectly (i.e., via data products). (b) Overlapping circles convey the indirect usage of the GSN via data products, with circle size...
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Journal Article
Published: 14 April 2022
The Seismic Record (2022) 2 (2): 78–87.
...Adam T. Ringler; Robert E. Anthony; Peter Davis; Carl Ebeling; Katrin Hafner; Robert Mellors; Simon Schneider; David C. Wilson Abstract The Global Seismographic Network (GSN)—a global network of ≈150 very broadband stations—is used by researchers to study the free oscillations of the Earth (≈0.3–10...
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Map of current U.S. Geological Survey Global Seismographic Network (<span class="search-highlight">GSN</span>) si...
Published: 29 November 2023
Figure 2. Map of current U.S. Geological Survey Global Seismographic Network (GSN) sites (blue circles; network codes IU, IC, and CU), many of which were established at preexisting World‐Wide Standardized Seismograph Network (WWSSN) sites (green pentagons) and Global Digital Seismic Network (GSDN
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Current instrumentation used in the Global Seismographic Network (<span class="search-highlight">GSN</span>). The...
Published: 29 November 2023
Figure 4. Current instrumentation used in the Global Seismographic Network (GSN). The instruments in the top left are the primary sensors, and secondary sensors are shown at bottom left. In addition, all GSN stations are equipped with a strong‐motion accelerometer that will remain on‐scale
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(a) <span class="search-highlight">GSN</span> stations where the vertical component was able to resolve normal mo...
Published: 29 November 2023
Figure 7. (a) GSN stations where the vertical component was able to resolve normal modes below 1 mHz for the M w  8.2 Iquique, Chile, earthquake on 1 April 2014 at 23:46:47 UTC. (b) Same as panel (a) but for the M w  8.2 Perryville, Alaska, earthquake on 29 July 2021 at 06:15:49
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<span class="search-highlight">GSN</span> map of stations used by PTWC centered on Sumatra, with tsunami one-hour...
Published: 01 May 2005
Figure 8. GSN map of stations used by PTWC centered on Sumatra, with tsunami one-hour isochrons (yellow contours). Stations marked with white stars were available in real-time, while pink stars indicate GSN stations with no (or delayed) telemetry. Seismic travel times to the GSN stations (paths
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Representative plot of continuous slake durability test results with linear...
Published: 01 August 2017
Figure 6. Representative plot of continuous slake durability test results with linear trend of late‐time data determined with and without forcing a zero‐intercept (GSN and GSN*, respectively).
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Median seismic data latencies for (a) the 141 stations included in the Glob...
Published: 12 February 2020
Figure 1. Median seismic data latencies for (a) the 141 stations included in the Global Seismic Network (GSN), and (b) the 857 stations composing the Pacific Tsunami Warning Center (PTWC) Operational Seismic Network (PTOSN) after adding 716 stations contributed by regional seismic networks (RSNs