Earth's structure resembles a giant onion with distinct layers, each playing a crucial role in earthquake formation. The lithosphere comprises the rigid outer shell including the crust and upper ...

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 ...

BUTTE, Mont. — Envision this scenario: You are going about your day. All is calm and quiet until suddenly, the ground beneath your feet begins to shake, and items within your home or workspace begin ...

A powerful 7.8 magnitude earthquake off the Pacific coast of Russia triggered a brief tsunami advisory that was later canceled for some coastal areas of Alaska's Aleutian Islands Thursday. The ...

The quake in Russia on Wednesday was among the strongest ever recorded — but in many places, the resulting wave was small. By Katrina Miller Early Wednesday morning, a powerful earthquake, one of the ...

Experts say vertical ocean floor movement determines tsunami size. When a magnitude 8.8 earthquake rocked Russia's Kamchatka Peninsula on Tuesday, officials warned that damaging tsunami waves could ...