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Infrasonic sound below the range of human hearing at 20 cycles per second, can include severe weather, surf, avalanches, earthquakes, volcanoes, waterfalls, calving of icebergs, meteors, and thunder. You can often 'feel' infrasound, especially in your chest.

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6y ago
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11y ago

Infra is a prefix denoting under or below something.

In this case it possibly refers to sound below human threshold.

Sounds have a frequency some we can detect some we cannot. Some have a higher frequency than we are capable of hearing some a lower frequency.

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15y ago

Any matter in the universe that is not at the temperature of 0 Kelvin.

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Q: What are the Sources of infrasonic sound?
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Related questions

What type of sound has a frequency too high to be detected by humans?

infrasonic


How many hertz are needed for a sound to be infrasonic?

Sound below about 20 Hertz (20 cycles per second) is considered infrasonic. A link can be found below.


What is the difference between ultra sonic and infrasonic sound?

sound waves with frequencies 20 hertz or lower are infrasonic and waves above 20,000hertz are ultra sonic!


What is the difference between infrasonic and ultrasonic?

Sound waves with frequencies below 20hertz are called infrasonic, while those with frequencies above20000 hertz are called ultrasonic


Which animals can hear infrasonic sound?

Animals that can hear infrasonic sounds are; frogs snakes ants dogs fishes whales beetles pigeons Usally, small animals can hear infrasonic sounds because they catches low frequency sound which is less than 20 Hz, especially insects. You may have observed that even if you walk very softly on the floor, animals like dogs feels your coming because they can hear infrasonic sounds.


What is the name given to sound waves having frequency below 20hertz?

Infrasonic.


What are the example of infrasonic sound?

The inaudible movements of an earthquake that you can feel in your feet and are recorded on seismographs.


Compare ultrasonic and infrasonic?

The definition of infrasonic is relating to sound waves with a frequency below the limit of human hearing, 20 Hz. Ultrasonic relates to sound waves with a frequency above the limit of human hearing, 20,000 Hz.


Does a hang glider fly at infrasonic speeds?

The correct term for this is subsonic, not infrasonic. And yeah, I wouldn't want to go above the speed of sound in a hang glider! So, yes, they fly subsonic.


What is the difference between infrared and infrasonic?

Infrared is a type of electromagnetic wave (invisible light), while infrasonic is a type of sound which have frequencies less than the audible range (20 Hz -20kHz).


What is the difference between ultrasonic and infrasonic sound waves?

The sound waves which are below the audible sound are called infrasonics(<20Hz) and The sound waves which are above the audible sound are called ultrasonics(>20KHz).


What do you understand by following terms-infrasonic waves?

Sound waves at frequencies lower than humans can hear.