Earth Science Room 6-128 Mr. Becker. Analyzing Seismic Waves.
6 Chapter 6 Earthquakes and Earth s Interior. Earthquakes 6.1 What Is an Earthquake? Focus is the point within Earth where the earthquake starts. Epicenter.
Measuring Earthquakes How are earthquakes measured?
ENV 20069.1 Envisioning Information Lecture 9 – Time: Taxonomy & Techniques Ken Brodlie [email protected].
Seismic waves on a boundary: refraction method Earth Physics EPSC 320 Autumn 2010.
EARTHQUAKES. Earthquakes & Plate Tectonics It is a vibration in the crust due to the release of stress Causes a shift in the rocks along a fault or plate.
Seismic and Tsunami Threats to Southern California Nancy King, Ph.D. U.S. Geological Survey Pasadena Field Office Northridge earthquake 1994 Northridge.
Chapter 11 Earthquakes. Section 1 Forces Inside Earth A.When rocks break they move along faults. 1.Applied forces cause rocks to undergo elastic deformation.
EARTHQUAKES. DEFINITION Vibrations in the ground caused by a release of energy along faults, (breaks), in the Earth’s lithosphere as a result of plate.
EARTHQUAKES AND EARTH’S INTERIOR EARTHQUAKES Definition, causes, and morphology of earthquakes Definition vibration of Earth’s surface usually caused.
Earthquakes Waves & Seismograms Lecture prepared by Mr. B.
Start here There are three seismic waves Primary P-Waves These waves move in a compress and expand motion They are the first to arrive to the epicenter.