EPS C20 Lecture Notes - Lecture 11: Divergent Boundary, 1906 San Francisco Earthquake, Surface Wave
17 Nov 2020
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Document Summary
Waves : carry energy away from the source. Shear - side-to-side particle motion (also known as. They travel through the body of the earth. I. e. they travel through the earth"s interior. They travel across the surface of the earth. Some of you felt it in la, but the seismic waves traveled around the globe. Simple model using direct p & s waves through the mantle & crust only. When phone is stationary & plugged into power. Microseismicity detection & fault monitoring (network-wide recording) For an earthquake at the surface there are three unknowns: Therefore, we need three observations of seismic arrival times at three stations. Modern seismic networks use tens or hundreds of station to determine earthquake latitude, longitude, depth & origin time. Using seismic arrivals around the globe to describe the geometry of earthquake deformation. Seismic energy travels through the earth"s interior & across its surface as several types of wave. All have different types of particle motion.
