YOUNGSTOWN, Ohio (WKBN) — The United States ... but they can be detected by a seismograph. While weak earthquakes are common in the area, the Valley is one of the least at-risk places for ...

The seismograph, Model EQ-1 (Next Generation Science), is located ... from the UTC time. The list of earthquakes below shows the most recently recorded earthquakes as determined by the United States ...

More: 3.1-magnitude earthquake in southern Ohio felt in east Kentucky Reporters ... Caribbean earthquake appears on Kentucky seismograph ...

Seismologists study earthquakes by looking at the damage that was caused and by using seismometers. A seismometer is an instrument that records the shaking of the Earth's surface caused by seismic ...

Distances from the stations to the earthquake are estimated from the difference between P and S wave arrival times: You have just figured out how far your seismograph is from the epicenter and how ...

He based his estimate on recordings made by BC’s Weston Observatory—of which he is the director—of football games, earthquakes, and a variety of other seismic events recorded by seismographs, ...

Time is indicated at the left end of the lines in Universal (or Greenwich) Time. When an earthquake occurs, the seismogram will show ground motion fluctuations that typically last from tens of seconds ...