seismograph
seismometer

The seismograph records, however, give no support to that view.

To get a location, someone will have to leave the force field and set up a second seismograph.

He also could not figure out the sources for more than 9,000 of 12,500 events in the seismographs at that time.

The body language alone was enough to set off seismographs in the neighborhood, if there were any.

He knew nothing of radar reports or the seismograph record.

But my seismograph says we're not quite ready for that yet."

Therefore, most seismographs involve a large mass of some sort.

"I think it's a seismograph kind of energy that's coming from the earth," he said.

Only with a third seismograph would there be a precise location.

And we'd get seismograph readings on it with every earthquake.

The most recent triggered activity at each seismograph is available online.

A really sensitive seismograph reports an incredible number every day.

Seismographs on the other side of the Earth picked it up."

"And this thing, it's no different from those earthquake seismographs."

Until last year, no seismographs monitored the city's fault lines.

Take me to the seismograph and read it for me.

Shock waves moved in reaction down to his personal seismograph.

The school is one of the few in the United States to have a seismograph.

The only seismograph in Jamaica at the time was put out of action by the earthquake.

Just in case, she added, a seismograph will be installed at each drilling site.

It was the third largest earthquake ever recorded on a seismograph.

You could make a very simple seismograph by hanging a large weight from a rope over a table.

Now, like human seismographs, they recorded his every quake and slip.

The scale is a measure of ground motion as recorded on seismographs.

One of the instruments most used by the geophysicist is the seismograph.

There are hundreds of seismometers, 115 alone in an old oil well.

The finding also explains what happened to the other eight seismometers.

Some drum seismometers are still found, though, especially when used for public display.

The principle can be shown by an early special purpose seismometer.

The university's current seismometer can detect a large earthquake anywhere in the world.

The closeness of these seismometers allowed them to pick up very small nuclear tests.

How is the movement of the seismometer converted into a seismogram?

The agency plans to add another seismometer and three more sensors to help monitor activity.

Modern earthquake location still requires a minimum of three seismometers.

These are seismometers designed to operate only when the ground starts to shake strongly, he said.

Measurements of ground motion are done on the Richter scale from this seismometer.

No seismometers are seen in the entire film.

Using the new seismometers to determine the quake's location, scientists can plot the movement of water.

Seismometers close to the epicenter may give higher readings.

The first reading was calculated with several seismometers.

Delivered seismometers come with two styles of output: analog and digital.

This allows them to measure signals at lower frequencies than can be detected with seismometers.

This list is biased towards recent years due to development and widespread deployment of seismometers.

The type of information gathered (such as rupture velocity) would not be possible with the standard seismometers.

Interconnected seismometers are also used to detect underground nuclear test explosions.

"What we need now are networks of seismometers in Sumatra and its offshore islands," he said.

Seismometers measure faint vibrations in the ground that tell of distant earthquakes.

Seismometers placed at six points in and around the collapse measured about a dozen aftershocks.

But the seismometers, deployed by the astronauts, eventually ran out of power and the mystery lingered.

But civilian scientists, using global arrays of seismometers run by public and private institutions, quickly decided that such a test had not taken place.