seismic source is a device that generates controlled seismic energy used to perform both reflection and refraction seismic surveys. A seismic source can...

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...

Seismic refraction is a geophysical principle governed by Snell's Law of refraction. The seismic refraction method utilizes the refraction of seismic...

Seismic magnitude scales are used to describe the overall strength or "size" of an earthquake. These are distinguished from seismic intensity scales that...

record reflected seismic energy originating from a seismic source at the surface. There are numerous methods for acquiring a vertical seismic profile (VSP)...

The connection between seismic moment and a torque is natural in the body-force equivalent representation of seismic sources as a double-couple (a pair...

of the environmental effects of earthquakes such as tsunamis; other seismic sources such as volcanoes, plate tectonics, glaciers, rivers, oceanic microseisms...

and seismic interpretation. Seismic acquisition requires the use of a seismic source at specified locations for a seismic survey, and the energy that...

The "size" or strength of the source event, such as measured by various seismic magnitude scales. The type of seismic wave generated, and its orientation...

Madrid seismic zone (NMSZ), sometimes called the New Madrid fault line (or fault zone or fault system), is a major seismic zone and a prolific source of intraplate...

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...

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...

for an active seismic source. This method, however, is not limited to passive sources, and can be extended for use with active sources and computer–generated...

for seismic data acquisition. This included specialized tools for synchronizing seismic sources. Processing Services: The company processed seismic data...

from seismic noise (ambient vibration), which is persistent low-amplitude vibration arising from a variety of natural and anthropogenic sources. The propagation...

low-frequency vibrations into the earth. It is one of a number of seismic sources used in reflection seismology. The ‘Vibroseis’ exploration technique...

Seismic tomography or seismotomography is a technique for imaging the subsurface of the Earth using seismic waves. The properties of seismic waves are...

star of the seismic source for seismic research other than earthquake, accounts for the naturally and anthropogenically produced seismic vibration of...

measure of an earthquake's magnitude ("size" or strength) based on its seismic moment. Mw  was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori...

events of various types. NASA's Mars Perseverance Rover will act as a seismic source of known temporal and spatial localization as it lands on the surface...

A seismic hazard is the probability that an earthquake will occur in a given geographic area, within a given window of time, and with ground motion intensity...

Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to...

make such structures more resistant to earthquakes. An earthquake (or seismic) engineer aims to construct structures that will not be damaged in minor...

dissertation titled "A Contribution to the Determination and Interpretation of Seismic Source Parameters". The Geological Society – "Off the Scale!" editorial by...

seismic inversion is the process of transforming seismic reflection data into a quantitative rock-property description of a reservoir. Seismic inversion...

making one of Earth's best examples of accretionary prism. Furthermore, seismic reflection studies have revealed the presence of basement highs that are...

geophones is lowered down the borehole, with a seismic source located at the surface. The seismic source is fired with the geophone(s) at a series of different...

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...

initially subjected to a gravity survey, magnetic survey, passive seismic or regional seismic reflection surveys to detect large-scale features of the sub-surface...

Seismic base isolation, also known as base isolation, or base isolation system, is one of the most popular means of protecting a structure against earthquake...