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P or Primary Waves : Compression/Expansion (“Sound”)

P or Primary Waves : Compression/Expansion (“Sound”) Solid and Liquid, through the Earth (Body Wave) S or Secondary Waves : Transverse Solid Only, through the Earth (Body Wave) Surface (Love/Raleigh) Waves : Transverse/Circular (“Ocean”) Solid Only, Near land surface.

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P or Primary Waves : Compression/Expansion (“Sound”)

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  1. P or Primary Waves: • Compression/Expansion (“Sound”) • Solid and Liquid, through the Earth (Body Wave) • S or Secondary Waves: • Transverse • Solid Only, through the Earth (Body Wave) • Surface (Love/Raleigh) Waves: • Transverse/Circular (“Ocean”) • Solid Only, Near land surface

  2. P or Primary Waves: Fastest – Arrives First S or Secondary Waves: Middle Surface (Love/Raleigh) Waves: Slowest – Arrives Last Time: 7:14 = 14 minutes after 7 oclock Difference in Arrive Times between the P and S Waves Two cars leave Rock Hill, Galleria Mall, I-77 at the same time to Charleston. One drive 60 mph (S Wave) and one drive 80 mph (P Wave) At Columbia, 60 miles, 60 minutes & 45 minutes (15 minutes Difference) At Charleston, 240 miles, 3 hours and 3.75 hours (45 minutes Difference) 7:17.4 – 7:14.2, ignore the 7:00 17.4 minutes – 14.2 minutes = ? 3.2 Minutes

  3. L Wave S Wave P Wave

  4. L Wave S Wave P Wave

  5. P-Wave: 8:07.4 11.5 – 7.4 = 4.1 minutes S-Wave: 8:11.5

  6. L Wave S Wave P Wave 4.1 minutes ~ 2,600 km

  7. Right Lateral Strike-Slip Fault Vs. Left-Lateral Strike-Slip Fault

  8. ACTIVITIES: MANUAL: 16.2: A (discuss only), B, C, D 16.3: All 16.4: A, C HANDOUT: Spring and Compression/Lateral Waves

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