2D Variations in Coda Amplitudes in the Middle East

Journal Article · Tue Aug 16 00:00:00 EDT 2016 · Bulletin of the Seismological Society of America

DOI:https://doi.org/10.1785/0120150336· OSTI ID:1368018

Pasyanos, Michael E. ^[1]; Gok, Rengin ^[1]; Walter, William R. ^[1]

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1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Here, coda amplitudes have proven to be a stable feature of seismograms, allowing one to reliably measure magnitudes for moderate to large-sized (M≥3) earthquakes over broad regions. Since smaller (M<3) earthquakes are only recorded at higher frequencies where we find larger interstation scatter, amplitude and magnitude estimates for these events are more variable, regional, and path dependent. In this study, we investigate coda amplitude measurements in the Middle East for 2-D variations in attenuation structure.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE
• Grant/Contract Number: AC52-07NA27344
• OSTI ID: 1368018
• Report Number(s): LLNL-JRNL-679156
• Journal Information: Bulletin of the Seismological Society of America, Vol. 106, Issue 5; ISSN 0037-1106
• Publisher: Seismological Society of America
• Country of Publication: United States
• Language: English

Related Subjects

58 GEOSCIENCES
Earthquakes
Seismic waves
Attenuation
Amplitude