Southeastern Pennsylvania, including York County, contains some remarkable geologic history. From rocks representing a fractured supercontinent 550 million years ago to sediment accumulating in a ...

ONE OF THE reasons I became a geologist was the maps. I will never have enough walls in my house for all the beautiful geologic maps I'd love to hang. But these maps are also full of information about ...

Salameh, E. and Tarawneh, A. (2026) Tectonic Structures and Their Consequential Nontectonic Deformations —The Case of the ...

The Earth's crust may have something in common with a lot of people: It tends to be lazy, at least when it comes to moving along certain types of seismic faults, new research says. Using a special ...

When a sizable earthquake strikes, experts can explain exactly where it started and what type of fault is involved and maybe even predict how long aftershocks will last. But the strange truth is that ...