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Global- and Local-Scale High-Resolution Event Catalogs for Algorithm Testing

Journal Article · · Seismological Research Letters
DOI:https://doi.org/10.1785/0220180345· OSTI ID:1559477
 [1];  [2];  [1];  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. ENSCO, Melbourne, FL (United States)
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During the development of new seismic data processing methods, the verification of potential events and associated signals can present a nontrivial obstacle to the assessment of algorithm performance, especially as detection thresholds are lowered, resulting in the inclusion of significantly more anthropogenic signals. Here, we present two 14 day seismic event catalogs, a local–scale catalog developed using data from the University of Utah Seismograph Stations network, and a global–scale catalog developed using data from the International Monitoring System. Each catalog was built manually to comprehensively identify events from all sources that were locatable using phase arrival timing and directional information from seismic network stations, resulting in significant increases compared to existing catalogs. Here, the new catalogs additionally contain challenging event sequences (prolific aftershocks and small events at the detection and location threshold) and novel event types and sources (e.g., infrasound only events and long–wall mining events) that make them useful for algorithm testing and development, as well as valuable for the unique tectonic and anthropogenic event sequences they contain.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1559477
Report Number(s):
SAND--2019-1400J; 672427
Journal Information:
Seismological Research Letters, Journal Name: Seismological Research Letters Journal Issue: 5 Vol. 90; ISSN 0895-0695
Publisher:
Seismological Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English

Figures / Tables (5)

Table 1(p. 18)table Table 1
Figure 1(p. 19)figure Figure 1
Figure 2(p. 20)figure Figure 2
Figure 3(p. 21)figure Figure 3
Figure 4(p. 22)figure Figure 4

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Related Subjects

58 GEOSCIENCES