1 / 8

Earthquakes

Earthquakes. 1906 San Francisco Earthquake. What is an earthquake?. Quick release of energy caused by movement along faults which are cracks in the earth’s crust Energy is released in the form of seismic waves. 3 Types of Waves. P-Wave = P rimary wave S-Wave = S econdary wave

halil
Download Presentation

Earthquakes

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Earthquakes

  2. 1906 San Francisco Earthquake

  3. What is an earthquake? • Quick release of energy caused by movement along faults which are cracks in the earth’s crust • Energy is released in the form of seismic waves

  4. 3 Types of Waves • P-Wave = Primary wave • S-Wave = Secondary wave • L-Wave = Love wave

  5. 1. P-Waves • Primary Waves • Pressure wave • Pushing and Pulling of rock within the earth • Fastest Waves (arrives First) • Travels through solid AND liquid • Travels through the Earth (not along the surface)

  6. 2. S-Waves • Secondary Waves • Shear wave • Side-to-Side, like a Snake • Travels through Solids only • Travels through the Earth (not along the surface)

  7. 3. L-Waves • Love waves – named after A.E.H. Love • RoLLing wave; up and down or side-to-side movement • Slowest wave; Last to arrive • Travels aLong the surface of the Earth **** CAUSES THE MOST DAMAGE ****

  8. Seismograms

More Related