# Quick Answer: Why Is 194 DB The Loudest Sound Possible?

## How many decibels will kill you?

150 decibels is usually considered enough to burst your eardrums, but the threshold for death is usually pegged at around 185-200 dB.

A passenger car driving by at 25 feet is about 60 dB, being next to a jackhammer or lawn mower is around 100 dB, a nearby chainsaw is 120 dB..

## What is the loudest sound ever recorded?

The Krakatoa volcanic eruption: Not only did it cause serious damage to the island, the eruption of Krakatoa in 1883 created the loudest sound ever reported at 180 dB. It was so loud it was heard 3,000 miles (5,000 km) away.

## Can whale sonar kill you?

Unfortunately for many whales, dolphins and other marine life, the use of underwater sonar (short for sound navigation and ranging) can lead to injury and even death. … These sound waves can travel for hundreds of miles under water, and can retain an intensity of 140 decibels as far as 300 miles from their source.

## How loud is a black hole?

With energy as great as 1100 dB, it would create enough gravity to cause a black hole to form, and an incredibly large one at that. Decibels are a logarithmic unit. That means 20 decibels isn’t 2 times more powerful than 10 decibels, it’s 10 times more powerful.

## How loud is 1100 decibels?

A 1100 decibel sound is 10 93 times more powerful than 172 decibels. That is an inconceivably huge number. By comparison, the number of atoms in the observable universe is estimated to be around 10 80, and 10 93 is ten trillion times greater than that.

## Can a sperm whale kill you with sound?

Sperm whales are the loudest mammals on the planet, with vocalizations reaching an astonishing 230 decibels. … At around 150 decibels your eardrums will burst, and the threshold for death is estimated to be in the range of 180 to 200.

## What’s the loudest thing on earth?

KrakatoaKrakatoa 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 in the universe?

As far as I’m aware, the Perseus galaxy cluster is the current record holder for the loudest sound discovered in the Universe. Generating sound requires two conditions. First, there must be a medium that the sound waves can travel through, like air or some other gas.

## Can a sound louder than 1100 dB black hole?

It’s not possible as a continuous sound in air because the maximum overpressure is double atmospheric, with the troughs a vacuum, which works out at 194 decibels. The answer is unfeasibly loud, and no, it can’t create a black hole that big. At 1100 db it creates a 5 kg black hole with the same volume as a neutron.

## Why was Krakatoa so loud?

Closer to Krakatoa, the sound was well over this limit, producing a blast of high pressure air so powerful that it ruptured the eardrums of sailors 40 miles away. … This is so astonishingly loud, that it’s inching up against the limits of what we mean by “sound.”

## How loud is a supernova?

It’s a ridiculously loud “sound”. It’s not possible as a continuous sound in air because the maximum overpressure is double atmospheric, with the troughs a vacuum, which works out at 194 decibels. That means it has to be a shockwave, which can be compressed to more than atmospheric pressure.

## How loud is a nuke?

All noise is measured in decibels, so how loud is the biggest of man made bangs? the bomb can produce an overpressure corresponding to 278 decibels. 200 decibels is enough to cause instant death, and 278 decibels is about 10 million times greater sound intensity. …

## How loud can a human yell?

Human screams can be quite loud, possibly exceeding 100 dB (as of March 2019, the world record is 129 dB!) —but you probably want to avoid that because screams that loud can hurt your ears! You should also have found sound levels drop off quickly as you get farther from the source.

## How long can you listen to 95 dB?

Sound Pressure LevelSound pressurePermissible Exposure Time100 dB2.00 Pa15 minutes97 dB1.42 Pa30 minutes94 dB − − − − − − − − − −1.00 Pa − − − − − −1 hour − − − − − − − − − − − − − −91 dB0.71 Pa2 hours8 more rows

## What is the loudest animal in the world?

Blue whalesThe blue whale is the loudest mammal of them all, with vocalizations that reach 188 decibels. Blue whales don’t have songs as complex as those of humpback whales, but their low-frequency “pulses”—some below the range of human hearing—have been recorded more than 500 miles (805 kilometers) away.

## How loud is 1000db?

A light bulb could typically be rated at 100 W, so this is 50 dB. A Formula 1 racing car revving at its maximum develops a whopping 670 kilowatts of power (much more than the car you drive). This, compared to our reference, is approximately 88 dB.

## How loud is 92 decibels?

Normal conversation is about 60 dB, a lawn mower is about 90 dB, and a loud rock concert is about 120 dB. In general, sounds above 85 are harmful, depending on how long and how often you are exposed to them and whether you wear hearing protection, such as earplugs or earmuffs.

## How quiet is 40 dB?

Noise SourceDecibel LevelcommentLibrary, bird calls (44 dB); lowest limit of urban ambient sound40One-eighth as loud as 70 dB.Quiet rural area30One-sixteenth as loud as 70 dB. Very QuietWhisper, rustling leaves20Breathing10Barely audible12 more rows