/ˈsaɪz mɪk, ˈsaɪs-/
pertaining to, of the nature of, or caused by an earthquake or vibration of the earth, whether due to natural or artificial causes.
Also (less commonly):
relating to or caused by earthquakes or artificially produced earth tremors
of enormous proportions or having highly significant consequences:
seismic social change
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Relating to an earthquake or to other tremors of the Earth, such as those caused by large explosions.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Ship traffic, seismic tests and sonar pings can make navigating the seas tricky for whales.
Seismometers measure the ground motion that results from seismic waves.
In the rocks themselves, these vibrations are called seismic waves.
The field was later refined and became known as seismic tomography.
Seismic waves travel at different speeds and strengths through different material.
Nobody foresaw the seismic events of the next eight years.
Another type is coastal flooding caused by high winds and tides or by seismic sea waves called tsunami.
It refers to the convergence of three big seismic events.
The first hint of humanity came with the appearance of an immense grid for seismic testing, laboriously traced through the brush.
Estimates vary wildly, depending on everything from a region's temperature fluctuations to seismic activity.
The world's largest underwater neutrino telescope is starting to get results, as well as some bonus seismic and biological data.
Seismic studies indicated a pool of magma, or molten rock, was moving beneath the valley.
Not everyone will profit: its effects will be seismic.
Occasionally, however, stress builds up and is released suddenly in a great burst of seismic waves.
And the whole structure is full of strain gauges, accelerometers, and optical laser pendulums to detect seismic damage.
He noted the mid-continent is actually a patchwork of old seismic zones.
Seismic isolators allow buildings to slide around a bit as a way to dissipate the energy of an earthquake.
But any look at a seismic map shows that faults don't follow neat and orderly lines across the landscape.
Deepwater oil exploration begins on the ocean surface with a fleet of seismic vessels.
VA is protecting itself from loud booms with a seismic monitor paid for by the feds.
For this they bring out the big gun-a seismic air-gun.
Beneath the nervous clatter of our half-completed decade stirs a slow but seismic shift.
The messages on his beepers indicated alerts from two far-apart seismic monitoring stations, meaning the quake had power.
Many of the bullet trains now brake at the first seismic tremor.
After the tremor episodes of yesterday, seismic activity has remained slightly elevated relative to the last few days.
The illustration at the top shows intensity of seismic shaking around the point of impact.
But in both cases the visionaries ignored the enormous difficulty of carrying off such seismic changes.
But even underground testing left craters and seismic convulsions.
New seismic techniques are much more precise and have cut the number of dry holes drastically.
But geologists point to an upsurge in seismic activity last year as a sign of an imminent eruption.
Seismic waves, unlike radio waves, give a profile of water depth.
Then it would begin monitoring a network of seismic, radiation, and air pressure sensors for signs of nuclear explosions.
The area is a kind of seismic dead zone, with no significant faults.
If it had begun erupting, it could have signaled a tremendous increase in the seismic activity of the area.
The quake was the first of its size to be measured and studied by the new worldwide array of digital seismic instruments.
Natural disasters range from catastrophic weather events to seismic activity that triggers.
We also must ignore tsunamis in the climate debate, since they are caused by seismic events, unrelated to atmospheric variables.
Estrin develops technology for sensor networks in remote areas that monitor seismic activity, among other things.
It doesn't have to be all things to all consumers to cause seismic shifts.
It will require a seismic shift in the way they choose to understand reality.
They've scrubbed the faults off the official state seismic map.
Seismic tests and architectural retrofitting standards are by now accepted practices in the developed world.
These sound waves, or seismic waves, cannot travel in space because there is no air or other medium to carry them.
It was initially used both to acquire data from remote seismic stations as well as to distribute data to users.
The tool is intended to be informative to both the general public and seismic engineers.