Locating Earthquake Epicenters and Understanding Earthquake Belts and Depths, Slides of Human Resource Management

Download Locating Earthquake Epicenters and Understanding Earthquake Belts and Depths and more Slides Human Resource Management in PDF only on Docsity! Locating the source of earthquakes Locating the epicenter of an earthquake Three station recordings are needed to locate an epicenter Each station determines the time interval between the arrival of the first P wave and the first S wave at their location A travel-time graph is used to determine each station’s distance to the epicenter Docsity.com A time-travel graph is used to find the distance to the epicenter Docsity.com Locating the source of earthquakes Earthquake belts About 95 percent of the energy released by earthquakes originates in a few rela- tively narrow zones that wind around the globe Major earthquake zones include the Circum-Pacific belt, Mediterranean Sea region to the Himalayan complex, and the oceanic ridge system Docsity.com Distribution of magnitude 5 or greater earthquakes, 1980 - 1990 Docsity.com Locating the source of earthquakes Earthquake depths Earthquakes originate at depths ranging from 5 to nearly 700 kilometers Earthquake foci arbitrarily classified as shallow (surface to 70 kilometers), intermediate (between 70 and 300 kilometers), and deep (over 300 kilometers) Docsity.com