Imperial watchmen could tell the direction the earthquake came from by seeing which dragon's mouth was empty. Most seismographs today are electronic, but the basic design and components are still the ...

They detect seismic waves and magnify ground movement by mechanical, electronic, electromagnetic, or mechanical-optical methods. Seismometer outputs are transmitted to seismographs, seismic ...

An earthquake was confirmed by the United States Geological Survey (USGS) along the Kentucky/Ohio border early Thursday ...

The strong winds over 100 km/h shook more than trees. Get the science behind how seismographs managed to pick up the power of ...

Wind gusts can easily knock trees, buildings, trucks and people over when they're strong enough. Well, they even have the ...

No drill has ever penetrated Earth's crust, which averages 25 miles thick beneath the continents. So, virtually everything geologists know about Earth's deep structure is from seismographs, which ...

They include highly sensitive seismographs capable of detecting microearthquakes that are imperceptible to people and strong-motion networks for measuring the intensities of large earthquakes ...

NBC 7 takes you inside the science behind earthquakes, the technology for early alerts, and teaches you the measures you can ...

The strong winds over 100 km/h shook more than trees. Get the science behind how seismographs managed to pick up the power of ...

The potent winds that exceeded 100 km/h on Monday shook more than just trees. Get the science behind how seismographs managed to pick up the power of the B.C. windstorm Wind gusts can easily knock ...

Some production centers have enlisted the cooperation of prefectural and municipal governments as well as airports so that seismographs can be installed at many sites. “We are hoping to reduce ...