2-D Sn wave attenuation tomography beneath the Eastern Himalaya

S Sarkar, C Singh, AK Tiwari, MR Kumar… - Geophysical Journal …, 2024 - academic.oup.com
SUMMARY The Arunachal and Bhutan Himalaya, which are tectonically distinct from other
regions of the Himalaya, have a structure that is quite intricate. The eastern Himalayan …

An investigation of regional variations of coda wave attenuation in western Tibet

R Biswas, C Singh - Journal of Seismology, 2020 - Springer
Regional variations of coda wave attenuation (Q c− 1 Q_c^-1) have been analyzed for
western Tibet using single isotropic scattering model. A total of 628 local earthquakes …

Depth-wise attenuation mechanism of seismic waves in the Andaman region

A Dutta, R Biswas, C Singh, MR Kumar, N Jana… - Soil Dynamics and …, 2021 - Elsevier
This study evaluates the depth-dependent seismic wave attenuation characteristics in the
Andaman region which is a part of the Andaman-Nicobar Subduction zone (ANSZ), and …

Insights into the crustal heterogeneity of Bhutan Himalaya from high frequency body wave attenuation characteristics

A Dutta, C Singh - Physics and Chemistry of the Earth, Parts A/B/C, 2024 - Elsevier
In this study, we aim to understand the characteristics of the crust beneath Bhutan Himalaya
in terms of body wave attenuation properties. Extended coda normalization method …

中国大陆Lg 波衰减成像

何静, 吴庆举 - 地球物理学报, 2024 - dsjyj.com.cn
本文利用2009—2019 年间中国大陆固定台站记录的宽频带地震波形数据, 采用反双台法,
获得了约36 万个台站对的Lg 波Q 值, 并反演得到了中国大陆Lg 波的衰减模型. 结果显示 …

Variations of intrinsic and scattering seismic attenuation with depth in western Tibet

R Biswas, C Singh - Physics and Chemistry of the Earth, Parts A/B/C, 2023 - Elsevier
In this study, the depth-dependent seismic wave attenuation beneath western Tibet have
been investigated using 628 local earthquakes recorded at Y2 network operated by US …

Spatial variation of body wave attenuation in Garhwal-Kumaun Himalaya region, India

R Biswas, P Mandal, S Saha, R Prathigadapa… - Physics of the Earth and …, 2024 - Elsevier
We have investigated the spatial variation of body wave attenuation in Garhwal-Kumaun
Himalaya region from the datasets of 465 well located earthquakes, recorded at 52 …

Spatial variations of coda wave attenuation in Andaman–Nicobar subduction zone

C Singh, R Biswas, N Jaiswal… - Geophysical Journal …, 2019 - academic.oup.com
We investigate the spatial variations of coda attenuation (Q c) structure in the tectonically
complex Andaman–Nicobar subduction zone (ANSZ). This is probably the first attempt to …

Crustal structure of western Tibet revealed by Lg attenuation tomography

N Jaiswal, C Singh, A Singh - Tectonophysics, 2020 - Elsevier
The lateral Lg wave attenuation in western Tibet and surrounding regions is studied. A total
of 706 Two-station method (TSM) and 533 Reverse two-station method (RTSM) pairs are …

Lg wave attenuation tomography in the Chinese mainland

J HE, QJ WU - Chinese Journal of Geophysics, 2024 - en.dzkx.org
We present a tomographic attenuation model using crustal Lg waveform data recorded by
permanent broadband seismic stations from 2009 to 2019 in the Chinese mainland. We …