seismic wave


Also found in: Encyclopedia, Wikipedia.

seismic wave

n
(Geological Science) an earth vibration generated by an earthquake or explosion
References in periodicals archive ?
Scientists have been stumped by the 20-minute rumble of a mysterious seismic wave which was detected earlier this month, Sky News reports.
Scientists have long known about these rocks and their nature, but there was no viable theory to explain the seismic wave speeds noted in the data.
Their work will help show how different seismic wave frequencies of ground motion affect structures of various sizes.
When they compared oceanic hotspots with high levels of He-3/4 to seismic wave velocities, they found that these represent the hottest hotspots, with seismic waves that move more slowly than they do in cooler areas.
Based on the ABAQUS, Yong [14] studied the effects of tunnel depth, tunnel space, lining stiffness, the properties of surrounding rock, seismic wave incident angle, and seismic intensity on the seismic response of shallow double-hole tunnels.
In the STA/LTA algorithm, the most important factor for seismic wave analysis is to identify a seismic event that includes an external disturbance.
The ambient noise around the frequency can be explained as a persistent seismic wave field excited by ocean swell activity and is a significant source of noise in observations of seismic waves from earthquakes.
Faster simulations increase the resolved frequency range in the simulated seismic wave field, which is one of the most important accuracy factors.
SAN-ICE will use for the first time a combination of advanced seismic data analysis and full wavefield numerical simulations to (1) characterize seismic wave propagation in presence of ice (both land and sea ice) and (2) infer ice and uppermost crustal properties using SAN.
Later, Sato modeled a seismic wave as a simple sine wave and proposed a formula for an earthquake-induced water wave using analytical calculations based on linearized shallow-water equations (SWEs) [3].
Scientists had previously detected only one type of seismic wave generated by a weather bomb.
Due to the randomness and uncertainty of natural ground motion, there is little research on the time frequency characteristics of ground motion, which is the reason why the artificial seismic wave is not consistent with the natural seismic wave.