10dB Absolute silence
13dB Incandescent light bulb hum
15dB Pin drop from a height of 1 centimetre heard at a distance of 1 meter
30dB Totally quiet night time in desert
40dB Whispering
60dB Normal conversation
85dB Beginning of hearing damage range, earplugs should be worn
100dB Normal average car or house stereo at maximum volume
110dB Car stereo with two 6 x 9” speakers and 100 watts
116dB Human body begins to perceive vibration from low frequencies
120dB Front row at a rock concert
125dB Drums, at the moment of striking
127dB Tinnitus (ringing in the ears) begins. Permanent hearing loss
128dB Loudest human scream
130dB Typical professional DJ system
130dB Marching band of 200 members
132dB Eardrum vibration noticeable
133dB Gunshot
135dB “Very loud” street car stereo. Bass only
140dB Threshold of pain, all frequencies
140dB Hearing protection required (definite long term damage)
140dB human throat and vocal cord resonance occurs
141dB Nausea felt after a few minutes
144dB Nose itches due to hair vibrations
145dB Vision blurs due to eyeball vibration
147dB Formula 1 race car full throttle drive bye
149dB Human lungs and breathing begins vibrating to the sound
150dB Loud rock concert, at speakers
150dB Sensation of being compressed as if underwater
152dB Vibration is painful and felt in joints
153dB Throat vibrating so hard it is impossible to swallow
154dB Compression will burst child’s balloon
155dB Experience cooling from excited air movement, up to 15 degree C perceived cooling
158dB Inside of a rock concert speaker bin with 5000 watts power
160dB Flashlight exhibits electromagnetic pulsing (dimming during tone)
163dB NHRA Top Fuel Dragsters- 5000 to 7000 horsepower
163dB Possible glass breaking level
164dB Internal sound pressure of a large jet turbine
165dB Jet airplane, Example: Boeing 727, at take off
170.75dB = 1 pound per square inch
172dB Fog is created, depending on the temperature, dew point and humidity
174dB Air begins to heat up due to compression
175dB Quarter dynamite stick, very close pressure may exceed 210 db.
177dB = 2 pound per square inch
180dB 1 pound TNT at 15 feet
181.6dB Loudest extreme SPL car in the world
183dB = 6 PSI. On large scale would result in total destruction of all structures, and particle velocity of 180 miles per hour.
191dB 1 lb. bomb or grenade at blast epicentre
193.979dB 1 bar pressure, 14.504 pounds per square inch
195dB Human eardrums rupture
202dB Death from sound wave (shock) alone.
210.6dB Earthquake Richter scale equivalent 2.0
213dB Sonic boom generates approximately 1.2 gigawatts power equivalent
215dB Space shuttle launches exhaust, approximately 3 miles per second
215dB Battleship New Jersey firing all 9 sixteen inch guns
216dB Equivalent to a piston engine cylinder with a 9 to 1 compression ratio
235.19dB Earthquake Richter 5.0 or 31,624 tons of TNT
243dB Largest non-nuclear explosion ever, 1947 explosion in Nazi u-boat pens used 7100 tons of explosive
248dB Atomic bombs dropped on Hiroshima and Nagasaki, Japan, August 6th & 9th, 1945. Total disintegration of 16 square miles, wind was around 300 miles per hour, destroyed 28” thick concrete walls at 1 mile distance. Leaving a crater 633 feet wide and 80 feet deep. ..equals also the sound (~shock) of the wind inside the core of a fully fledged tornado (a relatively powerful one, destroying everything on its way, lifting cows in the air and moving cars at a distance), devouringone3
286dB Mt. Saint Helens volcanic eruption
310dB Krakatau volcanic eruption 1883. Cracked one foot thick concrete at 300 miles, created a 3000 foot tidal wave, and heard 3100 miles away, sound pressure caused barometers to fluctuate wildly at 100 miles indicating levels of 190db at that distance from blast site. Rocks thrown to a height of 34 miles."
13dB Incandescent light bulb hum
15dB Pin drop from a height of 1 centimetre heard at a distance of 1 meter
30dB Totally quiet night time in desert
40dB Whispering
60dB Normal conversation
85dB Beginning of hearing damage range, earplugs should be worn
100dB Normal average car or house stereo at maximum volume
110dB Car stereo with two 6 x 9” speakers and 100 watts
116dB Human body begins to perceive vibration from low frequencies
120dB Front row at a rock concert
125dB Drums, at the moment of striking
127dB Tinnitus (ringing in the ears) begins. Permanent hearing loss
128dB Loudest human scream
130dB Typical professional DJ system
130dB Marching band of 200 members
132dB Eardrum vibration noticeable
133dB Gunshot
135dB “Very loud” street car stereo. Bass only
140dB Threshold of pain, all frequencies
140dB Hearing protection required (definite long term damage)
140dB human throat and vocal cord resonance occurs
141dB Nausea felt after a few minutes
144dB Nose itches due to hair vibrations
145dB Vision blurs due to eyeball vibration
147dB Formula 1 race car full throttle drive bye
149dB Human lungs and breathing begins vibrating to the sound
150dB Loud rock concert, at speakers
150dB Sensation of being compressed as if underwater
152dB Vibration is painful and felt in joints
153dB Throat vibrating so hard it is impossible to swallow
154dB Compression will burst child’s balloon
155dB Experience cooling from excited air movement, up to 15 degree C perceived cooling
158dB Inside of a rock concert speaker bin with 5000 watts power
160dB Flashlight exhibits electromagnetic pulsing (dimming during tone)
163dB NHRA Top Fuel Dragsters- 5000 to 7000 horsepower
163dB Possible glass breaking level
164dB Internal sound pressure of a large jet turbine
165dB Jet airplane, Example: Boeing 727, at take off
170.75dB = 1 pound per square inch
172dB Fog is created, depending on the temperature, dew point and humidity
174dB Air begins to heat up due to compression
175dB Quarter dynamite stick, very close pressure may exceed 210 db.
177dB = 2 pound per square inch
180dB 1 pound TNT at 15 feet
181.6dB Loudest extreme SPL car in the world
183dB = 6 PSI. On large scale would result in total destruction of all structures, and particle velocity of 180 miles per hour.
191dB 1 lb. bomb or grenade at blast epicentre
193.979dB 1 bar pressure, 14.504 pounds per square inch
195dB Human eardrums rupture
202dB Death from sound wave (shock) alone.
210.6dB Earthquake Richter scale equivalent 2.0
213dB Sonic boom generates approximately 1.2 gigawatts power equivalent
215dB Space shuttle launches exhaust, approximately 3 miles per second
215dB Battleship New Jersey firing all 9 sixteen inch guns
216dB Equivalent to a piston engine cylinder with a 9 to 1 compression ratio
235.19dB Earthquake Richter 5.0 or 31,624 tons of TNT
243dB Largest non-nuclear explosion ever, 1947 explosion in Nazi u-boat pens used 7100 tons of explosive
248dB Atomic bombs dropped on Hiroshima and Nagasaki, Japan, August 6th & 9th, 1945. Total disintegration of 16 square miles, wind was around 300 miles per hour, destroyed 28” thick concrete walls at 1 mile distance. Leaving a crater 633 feet wide and 80 feet deep. ..equals also the sound (~shock) of the wind inside the core of a fully fledged tornado (a relatively powerful one, destroying everything on its way, lifting cows in the air and moving cars at a distance), devouringone3
286dB Mt. Saint Helens volcanic eruption
310dB Krakatau volcanic eruption 1883. Cracked one foot thick concrete at 300 miles, created a 3000 foot tidal wave, and heard 3100 miles away, sound pressure caused barometers to fluctuate wildly at 100 miles indicating levels of 190db at that distance from blast site. Rocks thrown to a height of 34 miles."
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