A tsunami triggered by a 2025 earthquake off Russia’s Kamchatka Peninsula carried a second, shorter wave signal that exposes rupture within 6 miles of the trench. That hidden tail, discovered in a new ...

This animation shows how, following a massive earthquake off Russia on July 29, 2025, GUARDIAN flagged an incoming wave west ...

This gradual accumulation and release of stress and strain is now referred to as the "elastic rebound theory" of earthquakes. Most earthquakes are the result of the sudden elastic rebound of ...

If you’ve wondered how earthquake aftershocks work, this animation might help you visualize it. The animation shows the shock wave from the 6.4-magnitude earthquake that hit Northern California as it ...

Surface wave seismology has emerged as a critical tool in the investigation of the Earth’s near‐surface structure. Dispersion analysis, which examines the frequency‐dependent velocity of surface waves ...