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The AAPG/Datapages Combined Publications Database

Showing 81 Results. Searched 195,354 documents.

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Ascending

Abstract: Radial anisotropy in the northeastern Tibetan Plateau from Surface Wave Tomography

Lun Li

Houston Geological Society Bulletin

..., the magnitude and size of the low phase velocity are much stronger and larger in Love wave images than in the Rayleigh wave maps. We invert the 2-D...

2013

Seismicity of South East Asia: January … March 2005

Che Noorliza Lat

Geological Society of Malaysia (GSM)

..., Seismicity of South East Asia: January - March 2005 MAGNITUDE DISTRIBUTION The reported magnitudes are mostly body-wave magnitudes (Mb), as surface...

2005

Abstract: Seismicity of Peninsular Malaysia

J. K. Raj

Geological Society of Malaysia (GSM)

... of epicentres defining a broad, curvilinear zone that parallels the trends of Sumatra and Java. Within this zone, earthquakes with body wave...

1994

Seismicity of South East Asia: April … June 2005

Che Noorliza Lat

Geological Society of Malaysia (GSM)

... depth or magnitude information. The minimum magnitude recorded is 3.5. The reported magnitudes are mostly bOdy-wave magnitudes (mb), as surface-wave...

2005

Analysis of intraplate earthquake dynamics on the North West Shelf, Australia: new strike-slip focal mechanisms

V. Holloway, M. Keep

Petroleum Exploration Society of Australia (PESA)

... to define earthquakes include local magnitude (ML– often referred to as Richter magnitude), surface-wave magnitude (Ms), body-wave magnitude (Mb) and moment...

2019

Historical Seismicity of the State of Texas - a Summary

Scott D. Davis , W. D. Pennington , , S. M. Carlson

GCAGS Transactions

... (body wave magnitude); b = ML (local magnitude); c = mbLg (magnitude from 1-second Lg waves); d = coda length magnitude; e = "corrected" magnitude...

1985

Abstract: A Summary of New Observations of the Lower Crust and Upper Mantle Structure beneath the Gulf Coastal Plain from Passive and Active Source Seismic Data; #90285 (2016)

Harold Gurolla, Jay Pulliam, Randy Keller, Kevin Mickus

Search and Discovery.com

... to the orientation of velocity anomalies in the body wave tomography models which are at least semi-parallel to the BFS throughout the LATZ. Receiver...

2017

Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

... Journal of the Royal Astronomical Society, 70, 109-128. Chapman, C.H. and R. Drummond, 1982, Body-wave seismograms in inhomogeneous media using Maslov...

Unknown

Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

... Journal of the Royal Astronomical Society, 70, 109-128. Chapman, C.H. and R. Drummond, 1982, Body-wave seismograms in inhomogeneous media using Maslov...

Unknown

Abstract: Full Waveform Inversion for Complex Near Surface Imaging Using SEG Seam II Synthetic Model; #90319 (2018)

Ali A. Mohamed, Abdullatif A. Al-Shuhail

Search and Discovery.com

... scattering of surface and body wave that interfere with the imaging of deeper structure. In this paper, we tested and applied Full Waveform Inversion as high...

2018

Abstract: The Mantle under Betics and Gibraltar Arc from Seismic Anisotropy and Body-Wave Dispersion

Götz Bokelmann, Emeline Maufroy, Luisa Buontempo, Jose Morales, and Guilhem Barruol

Search and Discovery.com

...Abstract: The Mantle under Betics and Gibraltar Arc from Seismic Anisotropy and Body-Wave Dispersion Götz Bokelmann, Emeline Maufroy, Luisa Buontempo...

2008

The 1986 Crested Butte, Colorado Earthquake Swarm

Ivan G. Wong

Rocky Mountain Association of Geologists

... or body-wave magnitudes ( M ) greater than 4 . 4 or Modified Mercalli intensities greater than V are shown with the years of occurrence. Epicentral data...

1991

Earthquakes and Crustal Stress in the North Bismarck Sea

K. F. McCue

Circum Pacific Council Publications

... constrained. mb - is the body wave magnitude MS - is the surface wave magnitude MM - is the Modified Mercalli Intensity N - is the number of recording...

1988

Quaternary Faults and Seismic Hazards Western Utah

Gary E. Christenson, Kimm M. Harty, Suzanne Hecker

Utah Geological Association

...) and body-wave magnitude (mb). The scale used is denoted where known. Information on ground shaking, surface faulting, liquefaction, seismic slope failure...

1987

The Attenuation Effects of Surface-Wave Propagations on Rockmass Using SASW Method

Suharsono, Abdul Rahim Samsudin

Geological Society of Malaysia (GSM)

...), travelling with velocity Vp, or distortional, i.e. shear waves (S-waves). The body waves travel into the medium with hemispherical wave fronts...

2003

Abstract: Characterizing earthquake source physics with source scanning algorithms

Frédérick Massin, Alison Malcolm

Atlantic Geology

... defining the hypocenter solution space), (2) calculating a characteristic function of the body-wave arrivals from continuous data, with signal processing...

2016

Microtremor Studies in Roosevelt and Beowawe Geothermal Areas: ABSTRACT

Alfred L. Liaw, Wayne Suyenaga

AAPG Bulletin

... record. Those microtremor activities are associated with the geothermal system at depth, as indicated by seismic body wave components propagating...

1982

Reservoir characterization and comparison of seismicity-monitoring methods at West Seminole for CO2 utilization and storage

Shawn M. McCloskey, Paul F. Anderson, and Mohammad Mirzaei

AAPG Bulletin

... decades, the magnitude of completeness (Mc) prior to the inclusion of the TexNet array into its network was estimated by the USGS at body-wave...

2022

The Great Sumatra-Andaman Earthquake of December 26, 2004: New Insights That Will Change the Next 40 Years and the Plate Tectonic Paradigm

Arthur E. Berman

Houston Geological Society Bulletin

... teleseismic (distantly observed) waveforms to determine moment magnitude (P or body wave, Rayleigh and SH, or second harmonic, surface wave magnitudes...

2005

Field and Modelling Studies of Cambrian Carbonate Cycles, Virginia Appalachians: DISCUSSION

Lawrence A. Hardie, Paul A. Dunn, Robert K. Goldhammer

Journal of Sedimentary Research (SEPM)

...-wave magnitude mb (Lg) values, were calculated from modifie Mercalli (MM) intensities (1772-1977) or surface wave (Lg) data (1978-86). Body-wave...

1991

Distribution of ground motion seismic surface wave of the 2015 shallow strong earthquake at Ranau central zone seismically active region, Sabah, Malaysia

Bailon Golutin

Geological Society of Malaysia (GSM)

... and aftershocks with four decimal points. ABBREVIATIONS Mb: Magnitude Body Wave ML: Magnitude Richter Scale Mw: Magnitude Moment Wave PGA: Peak Ground...

2020

Surface Seismic Monitoring of Hydraulic Fracturing Activity in Pennsylvania and West Virginia

Abhash Kumar, Erich Zorn, Richard Hammack, William Harbert

Unconventional Resources Technology Conference (URTEC)

... are characterized by emergent waveforms with no clear arrival of the body wave (P and S) phases. We observed a significant difference in the power...

2016

Seismic Monitoring of Hydraulic Fracturing Activity at the Marcellus Shale Energy and Environment Laboratory (MSEEL) Site, West Virginia

Abhash Kumar, Erich V. Zorn, Richard Hammack, William Harbert

Unconventional Resources Technology Conference (URTEC)

... arrival of the body wave (P and S) phases. We observed a significant difference in the power spectral peaks before and during hydraulic fracturing...

2017

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