1 definition by Silurian Swagger

Top Definition
1. An incredibly awesome metal band made up of geology students from Humboldt!

2. A type of earthquake that occurs at convergent plate boundaries.
"My mama was adopted, my daddy wore a toupee, he brushed his teeth with vagisil, my mama laughed all day...wheeeee megathrust!"

"This earthquake can be classified as a megathrust quake."
by Silurian Swagger January 25, 2011

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