explain how movement along faults generate earthquakes
Answers
Answer:
The two parts of the earth's crust pressing together are exerting tremendous strain on the fault lines. When rock slides or moves along fault lines, earthquakes result. Waves produced by earthquakes pass through the surface of the earth.
Explanation:
Sudden movement along Earth's fault lines causes earthquakes. The motion releases "elastic strain" energy that has been accumulated in the form of seismic waves, which travel through the Earth and cause the earth to tremble. Such movement on the faults often results from stress building and long-term deformation.
What exactly is an earthquake, and why do they occur?
A fault slips suddenly, resulting in an earthquake. Although the tectonic plates are always moving slowly, the friction causes them to become impermeable at their borders. An earthquake occurs when the stress on the edge exceeds the friction, releasing energy in waves that flow through the earth's crust and produce the shaking we experience.
The Pacific Plate and the North American Plate are the two plates that makeup California. The majority of the Pacific Ocean's floor and the California Coastline are both parts of the Pacific Plate. Most of the North American Continent and portions of the Atlantic Ocean's floor are made up of the North American Plate. The San Andreas Fault serves as the main dividing line between these two plates. The San Andreas Fault stretches for more than 650 miles and goes down at least 10 kilometers. The Hayward (Northern California) and San Jacinto (Southern California) faults, for example, branch off of and join the San Andreas Fault Zone.
At a rate of around two inches each year, the Pacific Plate grinds past the North American Plate. There are numerous little shocks and a few major earth earthquakes as a result of the San Andreas Fault system's continual "creep" adaptation to this movement. In other regions where creep is NOT consistent, strain can accumulate over hundreds of years until ultimately releasing and causing large earthquakes.
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