The first model of seismic detectors (Phase I) outshone their contemporary acoustic types in the quality and quantity of the information they reported.

I seem to be equipped with a suite of sensitive seismic detectors.

China and other third-world countries are uneasy about using satellite intelligence systems they have not yet developed, and want to rely on an international network of more common seismic, sound and radiation detectors.

Every single instance was traceless, leaving not a single clue behind, not even a blip on the energy or heat sensors, or the slightest joggle of the seismic detectors.

The High Tower elevators have a seismic detector that detects any movement of earth and therefore automatically stops the elevator nearest to allow passengers to get off.

On top of all that, we're going to say we've rigged up a field trip to the pole to improve the seismic detectors, and you guys elected to go along.

Engineering should put together a seismic detector, Zack..." Andy whipped out a pad of paper and started making notes to himself.

"Plants, soil samples, plant some seismic detectors, hell, we can do some serious work!"

She had helped him redraft his main 28 Charles L Harness apparatus claim, something about a seismic detector.

The shipments included seismic detectors for nuclear weapons tests.