What is the loudest thing ever?
The loudest sound in recorded history came from the volcanic eruption on the Indonesian island Krakatoa at 10.02 a.m. on August 27, 1883. The explosion caused two thirds of the island to collapse and formed tsunami waves as high as 46 m (151 ft) rocking ships as far away as South Africa.
What is the loudest noise known to mankind?
Krakatoa
Krakatoa is believed to be the loudest sound produced on the surface of the planet — in human history, that is. It circled the Earth four times in every direction and shattered the ears of sailors 40 miles away. The Krakatoa volcano erupted with ungodly strength, sending ripples of sound heard thousands of miles away.
What is the loudest thing ever shouted?
quiet!’
‘Quietttt!!! What was the sound? No other than their teacher, who just happens to have the world’s loudest shout. Miss Flanagan entered the record books back in 1994 with a thunderous rendition of ‘quiet!’ The shout clocked up an earth-shattering 121.7 decibels, setting a world record.
What is the quietest sound?
Typically, zero decibels sound pressure level (SPL) corresponds to 0.000002 Pascals — a measure of vibration or pressure waves that we really hear. So then, zero decibels is the smallest level of sound our ears can detect! So there’s our answer, in its simplest form.
What is the quietest sound in the world?
-20.6. Microsoft’s main anechoic chamber has the lowest sound level ever recorded. It is just a few decibels off of the lowest sound theorized by scientists.
What is the world record for screaming?
The current shouting record has been held by Annalisa Wray since 1994. At the Citybus Challenge in Belfast, Northern Ireland, she ironically yelled the word “quiet” to a level of 121.7 dBA. That’s almost as loud as a jet engine! Classroom assistant Jill Drake holds the scream title at an ear-piercing 129 dBA.
How loud is the average scream?
Common Sources of Noise and Decibel Levels
| Everyday Sounds and Noises | Average Sound Level (measured in decibels) |
|---|---|
| Shouting or barking in the ear | 110 |
| Standing beside or near sirens | 120 |
| Firecrackers | 140–150 |
Is 0 decibels possible?
The limit of human hearing is thought to be around 0 decibels, although just because our ears cannot pick it up, it does not mean no sound present, hence it is possible to get a negative value.