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- velocity of a seismic wave depends on density and elasticity of the medium as well as the type of wave. Velocity tends to increase with depth through Earth's...21 KB (2,384 words) - 13:06, 26 August 2024
- Reflection seismology (redirect from Seismic reflection)reflected seismic waves. The method requires a controlled seismic source of energy, such as dynamite or Tovex blast, a specialized air gun or a seismic vibrator...77 KB (10,217 words) - 04:01, 22 August 2024
- Japan Meteorological Agency (JMA) Seismic Intensity Scale (known in Japan as the Shindo seismic scale) is a seismic intensity scale used in Japan to categorize...36 KB (3,024 words) - 03:29, 30 May 2024
- Earthquake (redirect from Seismic activity)seismic energy release per unit volume. In its most general sense, the word earthquake is used to describe any seismic event that generates seismic waves...82 KB (8,916 words) - 15:29, 2 July 2024
- region's seismic activity. The term was coined by Beno Gutenberg and Charles Francis Richter in 1941. Seismicity is studied by geophysicists. Seismicity is...2 KB (263 words) - 15:35, 5 September 2023
- Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that...53 KB (5,868 words) - 19:15, 15 August 2024
- layers at any depth. There were instead more granites, deeper than predicted. The prediction of a transition at 7 kilometres was based on seismic waves indicating...23 KB (2,329 words) - 23:37, 13 August 2024
- approximate depth to strata boundaries, or to bedrock, to be determined. P-wave refraction evaluates the compression wave generated by the seismic source located...4 KB (581 words) - 16:15, 10 July 2024
- P wave (redirect from P-wave (seismic))a function of depth are indicative of changes in phase or composition. Differences in arrival times of waves originating in a seismic event like an earthquake...10 KB (1,050 words) - 18:26, 27 April 2024
- Tsunami (redirect from Seismic sea wave)interchangeably. The term seismic sea wave is also used to refer to the phenomenon because the waves most often are generated by seismic activity such as earthquakes...63 KB (7,369 words) - 22:12, 27 August 2024
- Seismic velocity structure is the distribution and variation of seismic wave speeds within Earth's and other planetary bodies' subsurface. It is reflective...82 KB (7,562 words) - 07:09, 26 June 2024
- Core–mantle boundary (section Seismic discontinuity)at a depth of 2,891 km (1,796 mi) below Earth's surface. The boundary is observed via the discontinuity in seismic wave velocities at that depth due to...9 KB (943 words) - 04:28, 7 March 2024
- Depth conversion is an important step of the seismic reflection method, which converts the acoustic wave travel time to actual depth, based on the acoustic...2 KB (193 words) - 00:36, 24 July 2023
- Finite-difference migration. Depth Migration is applied to seismic data in depth (regular Cartesian) coordinates, which must be calculated from seismic data in time coordinates...16 KB (1,976 words) - 04:17, 8 May 2024
- Seismic anisotropy is the directional dependence of the velocity of seismic waves in a medium (rock) within the Earth. A material is said to be anisotropic...35 KB (5,684 words) - 05:49, 2 May 2024
- Modified Mercalli intensity scale (category Seismic intensity scales)seismic energy released by an earthquake, earthquakes differ in how much of their energy is radiated as seismic waves. They also differ in the depth at...25 KB (2,023 words) - 13:59, 13 August 2024
- Seismology (redirect from Seismic)of earthquake environmental effects such as tsunamis as well as diverse seismic sources such as volcanic, tectonic, glacial, fluvial, oceanic microseism...35 KB (3,997 words) - 17:32, 12 July 2024
- In geophysics, vertical seismic profile (VSP) is a technique of seismic measurements used for correlation with surface seismic data. The defining characteristic...4 KB (594 words) - 15:14, 3 May 2023
- S wave (redirect from Seismic Wave Guide)derivative with respect to time. Combining the last two equations one gets the seismic wave equation in homogeneous media ρ ∂ t 2 u i = λ ∂ i ∑ k ∂ k u k + μ...14 KB (1,933 words) - 03:13, 23 June 2024
- Induced seismicity is typically earthquakes and tremors that are caused by human activity that alters the stresses and strains on Earth's crust. Most induced...81 KB (8,877 words) - 03:30, 29 July 2024
- slightest shocks. Seismic literature is, therefore, nearly inexhaustible, and theory and praxis are in constant vogue; in short, seismics has grown to be
- corresponding deformations under static seismic design load. Ref: Gould, P.L. Lee, S.L., Hyperbolic cooling towers under seismic design load, ASCE Journal of Structural
- this article we shall review some important facts about the physics of seismic waves (that is, waves generated by earthquakes). This article is background