Nearly 50 years ago, a puzzling earthquake beneath northern Utah jolted scientists' understanding of how Earth works. Now, ...

Seismicity decreases with depth because elevated confining pressure prevents frictional sliding of faults. However, seismicity tends to increase with depth in the mantle transition zone (depths of ...

Deep earthquakes remain one of the most puzzling phenomena in geophysics, and the phrase “mechanism that supercharges” them captures both the mystery and the stakes. I cannot verify any specific new ...

Stanford University researchers have pulled back a curtain on a hidden part of Earth that rarely makes headlines. Their new work maps a strange kind of earthquake that starts deep below the crust, ...

A 2.9 magnitude earthquake was recorded early Tuesday morning in the Olympic National Forest. The shakes were recorded around 2:18 a.m. Tuesday just north of Wonder Mountain, according to the Puget ...

A powerful 7.4-magnitude earthquake struck northern Chile in July 2024—and it wasn’t supposed to be that strong. Unlike Chile’s infamous shallow “megathrust” quakes, this one ruptured deep inside the ...