arizona, geomorphology, GSA, structure

Understanding Earth Fissures: A Man-Made Geohazard Earth fissures are long, narrow cracks in the ground that form where the ground is sinking. They can erode very quickly, posing a hazard to nearby infrastructure. In Arizona, land subsidence--the sinking of the earth--is caused by groundwater withdrawal, meaning that earth fissures are a man-made--or anthropogenic--hazard. This video that I made as part… Continue reading Understanding Earth Fissures: A Man-Made Geohazard

geology of disney, tectonics

Could an Earthquake Destroy Disneyland? Ah Disneyland, the Happiest Place on Earth, home of Mickey Mouse, churros, and some shaky rocks. I've previously gone over how Walt Disney World is located in a very sinkhole prone area and that the Epcot World Showcase Lagoon is in part a massive sinkhole, but don't worry the Disneyland Resort has its own… Continue reading Could an Earthquake Destroy Disneyland?