An ocean bottom seismometer being retrieved after spending 10 months on the floor of the Pacific Ocean to map the mantle 100 miles underneath the Juan de Fuca plate. Disclaimer: AAAS and EurekAlert!
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 ...
They detect seismic waves and magnify ground movement by mechanical, electronic, electromagnetic, or mechanical-optical methods. Seismometer outputs are transmitted to seismographs, seismic ...