Seismic methods are split up into three different methods, reflection, refraction, and surface wave, based on the physical property of the waves being considered. The reflection method looks at reflected energy from sharp boundaries to determine contrasts in density and velocity.

Seismic imaging is the numerical process of creating an image of the subsurface from reflections recorded at the surface. The recorded data sets are made of an ensemble of time series (seismic traces).

A seismic refraction or seismic reflection line is a set of seismographs usually lined up along the earth's surface to record seismic waves generated by an explosion for the purpose of recording reflections and refractions of these waves from velocity discontinuities within the earth.

2019年6月21日 · A 3D animation of seismic reflection data takes viewers through the layers of a chunk of Earth below the seafloor. Different colors represent different layers of sediment and rock.

2024年5月6日 · Seismic imaging techniques play a crucial role in interpreting subsurface geological structures by analyzing the propagation and reflection of seismic waves. However, traditional methods face...

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2014年1月1日 · Seismic imaging or tomography (tomo = slice and graph = picture) is a procedure for estimating the earth’s rock parameters from seismic data. These rock parameters can be represented by the spatial distribution of, e.g., P-wave velocity, S-wave velocity, porosity, density, or anisotropic parameters.

2025年3月13日 · Discover the future of seismic imaging and technology with ExxonMobil’s latest advancements. Learn how the new Discovery 6 supercomputer, built by Hewlett Packard Enterprise and featuring NVIDIA Grace Hopper Superchips, revolutionizes resource recovery with cutting-edge 4D seismic technology and high-performance computing.

The National Seismic Hazard Model (NSHM) relies on updated data sets, models, maps, source code, and published documentation of seismic hazard assessments. The following archive includes links to those resources.

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