What is the scale for earthquakes?

The Richter scale measures the largest wiggle (amplitude) on the recording, but other magnitude scales measure different parts of the earthquake. The USGS currently reports earthquake magnitudes using the Moment Magnitude scale, though many other magnitudes are calculated for research and comparison purposes. Is a 10.0 earthquake possible? No, earthquakes of magnitude 10 or larger

What is a syncline what is an anticline?

From Wikipedia, the free encyclopedia. In structural geology, a syncline is a fold with younger layers closer to the center of the structure, whereas an anticline is the inverse of a syncline. A synclinorium (plural synclinoriums or synclinoria) is a large syncline with superimposed smaller folds. What is anticline? Definition of anticline : an arch

What are the four subsystems of the earth?

The Earth is the third planet in order of distance from the Sun and the fifth largest in the Solar System in terms of both mass and diameter. It is also the only celestial object known to harbor life. It orbits the Sun in 365.256 solar days – one sidereal year – and rotates on

What is Intergrowth texture?

From Wikipedia, the free encyclopedia. In petrology, micrographic texture is a fine-grained intergrowth of quartz and alkali feldspar, interpreted as the last product of crystallization in some igneous rocks which contain high or moderately high percentages of silica. How would you describe the texture of granite? Granites usually have a coarse texture (individual minerals are

What is the principle of Uniformitarianism?

Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, is the assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in the past and apply everywhere in the universe. What is the principle of uniformitarianism answers? This is known as

When was the last big earthquake in California?

​​California’s Largest Recorded Earthquakes Since 1800, Ranked by Magnitude​ ​​Magnitude​ Date Location​ 7.1 July 5, 2019 Ridgecrest/Trona 7.0 May 18, 1940 El Centro 6.9 Oct. 17, 1989 Bay Area 6.7 Jan. 17, 1994 Northridge Is California actually overdue for a big earthquake? California is located in a hot-zone of fault lines that can rupture without

1 2,579 2,580 2,581 2,582 2,583 2,710