PORTLAND, Ore. (KOIN) — Beneath our feet, the ground is moving. Of course not very fast, but, geologists say the North American Plate is moving about an inch a year. Not only are we slowly moving, but ...

Figure 1. (A) The distributions of tectonic units and earthquakes. (B) The triangles indicate positions of the seismometers. Orange triangles represent Group 1 stations situated in proximity to the ...

The Blanco Transform Fault Zone off of Oregon's coast is famously active, and it has not disappointed in the past 24 hours, generating at least 50 earthquakes, including two at a 5.8 magnitude. That ...

Forces acting inside the Earth have been constantly reshaping the continents and ocean basins over millions of years. What Alfred Wegener published as an idea in 1915 has finally been accepted since ...

A fault system running nearly 70 miles along the coast of Los Angeles and Orange counties has the potential to trigger a magnitude 7.8 earthquake, according to a new study that is the latest to ...

These zones are many: Fractures (Andersonian descriptive modes 1, 2, 3, and antimode 1, Fig. 10), joints, (master, cross, strike parallel, cross-strike, contained, pinnate, and tail), faults, fault ...