USGS

Earth Science: EarthQuakes – Measurement and Consequences It may not be possible to predict earthquakes, but by studying them scientists hope to find ways of lessening their damage. Early in the 20th century, volcanologist Giuseppe Mercalli created a scale categorizing earthquakes based on damage incurred. This Mercalli intensity scale ranges from Level 1, which is … Read more

Earth Science: EarthQuakes The Earth is constantly shifting below our feet. The magnitude of this movement is usually too weak to be sensed by humans, yet various factors can result in highly destructive and intense earthquakes. In areas where this occurs frequently, safety precautions are of vital importance. Causes The constant motion within the layers … Read more