When fighting an army battalion,The Juggernaut slammed his fists into the ground with such force it created an earthquake that ripped through the entire valley and brought a hill crumbling down on them. --Uncanny X-Men #33Instead of moving out of the way,he lets Spider-Man drive a gas tanker right into him. Not only is he totally unmoving from the impact,but he walks out of the resulting gas inferno on fire and completely unconcerned. --The Amazing Spider-Man #230
The Juggernaut allowed Dazzler to futily blast all her energy directly into him at point blank range until she was drained. She fell unconscious as he stood over her completely unharmed. --Uncanny X-Men #218
took the Fantastic Four's Thing down for the count in seconds with just 3 successive blows. Thing would arise,only to fall back down unconscious. --Secret Wars II #7
sent Thor hurtling across the skies and then through a store wall with a casual backslap. --Thor #411
When hit so hard by Rogue of the X-Men that the shockwave from the punch shattered every window of the street,The Juggernaut simply stood there looking down on her with his arms crossed. --Uncanny X-Men #218
The Juggernaut caused the entire X-Mansion to shake and nearly collapse by stomping from all the way at the front gates of the estate. And was said to be using only a fraction of his power to accomplish it. --Uncanny X-Men #12
The Juggernaut has on two occasions allowed Cannonball to blast directly into him. And both times Cannonball was knocked out of blast mode and barely conscious while The Juggernaut remained totally unmoved and unphased.
The Juggernaut has withstood even Thor's godforce(which caused Galactus to flee for his life on one occasion,and shattered the prime Celestial's protective dome on another) with absolutely no physical damage whatsoever. --Thor #412
He withstood a direct blast from Stellaris's Celestial armor with zero effect to his person. The sheer energy radius of the blast hitting him was so powerful it created a large chasm in the Earth. --Thunderstrike #2
In a confrontation with Colossus,the first blow Juggernaut connects with ends the fight. Leaving Colossus unconcious when he lands from it. --Uncanny X-Men #183
The Juggernaut nearly drowned the Hulk by forcing Hulk's head underwater. Hulk had to use silt from the riverbed in Juggernaut's eyes to make The Juggernaut release his grip on Hulk's neck. --Hulk #402
Harmlessly absorbed a million volts of electricity. --Amazing Spider-Man #229
Despite suffering a significant power loss,The Juggernaut was still able to match Prime(who proved more than strong enough to match Thor punch for punch) in a direct test of strength before slamming Prime back through a wall. --Exiles #4
Tore through a wall 50 times the tensile strength of battleship steel as though it were a "a thin layer of plywood". --Uncanny X-Men #12
He had a vat of molten steel dumped on him by Deadpool and continued to fight uneffected and awash with flame. --Deadpool vol.1 #3
In a fight with the New Warriors,Firestar tried to stop him by heating his armor to the point where it became white hot. The Juggernaut didn't even acknowledge her attack whatsoever. --Thor #412
He hit Captain Britain with such force the Excalibur leader skidded away creating nearly a mile long groove in the ground with his body. --Excalibur #3
Trapped in 40-foot cocoon of solid steel,The Juggernaut exploded out in violent fashion by flexing his arms. --Thor #412
Stripped to only a fraction of his strength,he still is strong enough to easily choke Rogue while she fought to free herself with one hand while fending off Colossus with the other. --Marvel Team-Up #150(it was stated in the Marvel Handbook that both Tom and Juggernaut actually had less than a half of The Juggernaut's power as they had assumed)
Collapsed an entire skyscraper(possibly a World Trade Center tower) with a ram of his shoulder. --Spider-Man #16
Engaging fellow exemplar Stonecuter in a toe-to-toe slugfest,the punches they traded to one another caused earthquakes and was said to be the greatest fury ever unleashed on Earth. --Juggernaut:Eighth Day
On two separate occasions when lifted from the ground and held in midair by Jean Grey,The Juggernaut proves unstoppable by continuing to advance toward her irregardless despite having no physical footholds or leverage.
Having magically been stripped of all of his flesh,The Juggernaut still stood before his enemy to complete the battle as merely a skeleton. --Juggernaut OneShot
The Juggernaut walked right through a stream of Chamber's full power bio energy blast. Despite Chamber exerting so much effort into it he fell unconscious in the attempt. --Generation-X #61
Facing the Stranger who'd grown to about 50 feet tall,The Juggernaut lept up and toppled him with one punch --X-Men Forever #6
Took a direct blast from the new-look Cyclops that was described by him as being able to "rip a small planet in half" with a smile as The Juggernaut's only reaction. --Cyclops #1
Rendered the entire team of Generation-X,Banshee,and Emma Frost unconscious simply by clapping his hands together. --Generation-X #61