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loudest noise ever....

Iron Woode

Iron Woode

Elite Member
Super Moderator
was the eruption of Krakatoa 1883.

the blast was the equivalent of 13,000 atomic bombs. :shocked:

it was heard thousands of miles away.

cool, but scary.

edit: The 1883 eruption of Krakatoa is among the most violent volcanic events in modern times (a VEI of 6, equivalent to 200 megatons of TNT - about 13000 times the yield of the Little Boy bomb which devastated Hiroshima, Japan). Concussive air waves from the explosions travelled seven times around the world, and the sky was darkened for days afterwards. Waves from the tsunamis were recorded as far away as the English Channel.
 
Originally posted by: judasmachine
do exploding stars make noise?
Click to expand...

In space, no one can hear you scream. /Alien

Sound is a rapid succession of compressed waves through a medium. On Earth, sound is a series of compression waves through the atmosphere (or water if you're in a lake or the ocean).

In space there is no medium with which to create these waves.
 
This would be the loudest noise possible, in my opinion. I'm not science major and did ok in it in high school, but how anything can be louder than that is unbelievable. Found it in this thread.
 
Someone do the math; if the sound traveled around the globe seven times. How much time would pass in between each series of sound waves?
 
The title should say that this was the loudest sound in recorded history.

What happens to the sound waves when they travel around the world and come together on the other side?
 
Originally posted by: biggestmuff
Someone do the math; if the sound traveled around the globe seven times. How much time would pass in between each series of sound waves?
Click to expand...
That isn't an easy question.
1) The speed of sound in air varies with temperature and humidity. It would speed up and slow down as it passes through various areas.
2) The sound wave travels in all directions. Imagine if you were 1/4 the way around the world to the East. You'd hear the wave as it travels East in 1/4 of the time it takes to circle the world, but you'd hear the wave as it travels West in 3/4 of the time it takes to circle the world.

But one edge of the sound wave would circle the world in approximately 32 hours.

Circumference ~= 25000 miles
Speed of sound ~= 345 m/s

(25000 mi) / (345 m/s) = 32.4 hr.
 
Originally posted by: dullard
Originally posted by: biggestmuff
Someone do the math; if the sound traveled around the globe seven times. How much time would pass in between each series of sound waves?
Click to expand...
That isn't an easy question.
1) The speed of sound in air varies with temperature and humidity. It would speed up and slow down as it passes through various areas.
2) The sound wave travels in all directions. Imagine if you were 1/4 the way around the world to the East. You'd hear the wave as it travels East in 1/4 of the time it takes to circle the world, but you'd hear the wave as it travels West in 3/4 of the time it takes to circle the world.

But one edge of the sound wave would circle the world in approximately 32 hours.

Circumference ~= 25000 miles
Speed of sound ~= 345 m/s

(25000 mi) / (345 m/s) = 32.4 hr.
Click to expand...


Wikipedia says they were heard for 5 days after the blast.
 
Originally posted by: AdamK47 3DS
The title should say that this was the loudest sound in recorded history.

What happens to the sound waves when they travel around the world and come together on the other side?
Click to expand...

You're correct. None of the other mentioned sounds were quantitatively recorded. And in response to raildogg... yes, if an meteor that's 1/10th the size of earth itself crashes into us... that would roughly be the loudest sound heard. And most likely the last.
 
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