Earthquake Science: Understanding P-waves, S-waves, and Magnitude. Posted: March 22, 2025 | Last updated: March 22, 2025. The film discusses the science of earthquakes, focusing on a significant ...

A new kind of earthquake has been detected in western Canada, one that shakes the ground slower and longer than typical ...

The waves that arrive between the P and S waves are waves that started out as P waves, but bounced off of features in the Earth or at the surface and arrived at the seismic station a little later. The ...

It's not surprising that people by the epicenter near Barstow felt the strongest jolt. But in L.A. Basin, some felt nothing, while others reported swaying for 15 seconds.

Primary waves or p-waves travel fast, through solids, liquids, and even gas. They move like a slinky, compressing and extending out. These cause the fast shaking of the earthquake.

SAN FRANCISCO ‒ A magnitude 7.0 earthquake struck near the town of Petrolia on Thursday at 10:44 a.m. local time, generating a now discontinued tsunami warning that stretched from southern ...

Initial forecasts indicated potential tsunami waves could reach Puerto Rico's western coast by 8:46 p.m. EST (9:46 p.m. local time), with the Virgin Islands expected to experience impacts ...

For U.S. earthquake scientists, Japan's 'megaquake' warning renewed worries about when and how to warn the public if they find clues that the 'big one' might be coming for the West COast.

Here's what we know A powerful 7.7-magnitude earthquake killed over 1,000 people near the epicenter in Myanmar. In neighboring Thailand, several were killed when a high-rise tower collapsed. Asia ...