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What is a hydrophone ?
Hydrophoneis an underwater device that detects and records ocean sounds from all directions.It just as a microphone collects sou...
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Hydrophone
Just as microphones are used to listen to sound in air, devices calledhydrophonesare used to listen to sound underwater. Microph...
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Seismic Reflection and Geophone
Energy is introduced by using one of a number of possible seismic sources. Common sources include seismic shotgun, small dynamit...
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4.5Hz Geophone in Multichannel Surface Survey
Multichannel analysis of surface waves geophones are designed to respond to a certain frequency (e.g.4.5Hz,8Hz,14Hz and 40Hz). W...
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What is a P wave ? What is a S wave ?
When an earthquake occurs, it releases energy in the form of seismic waves that radiate from the earthquake source in all direct...
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What is Seismic ?
* What is Seismic?It is a method of determining sub-surface information by analyzing sound waves originating from an energy sour...
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Basic Information of Geophone
* When was the first geophone made?Real seismometers go back to the 1900's. Geophones probably came shortly after.* What is...
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Geophone in Seismic Survey
Thegeophoneis the instrument used to transform seismic energy into an electrical voltage. It ordinarily responds to only on comp...
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How Geophone Work under Seismic Refraction Method
Energy is introduced by using one of a number of possible seismic sources. Common sources include seismic shotgun, small dynamit...