GEO8 DISC

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School

University of California, Riverside *

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Course

008

Subject

Geology

Date

Apr 3, 2024

Type

pdf

Pages

7

Uploaded by SuperHornet3448

Winter 2024 GEO008 Page 1 of 7 Activity 2 – Plate Tectonics (100 points) This week we are learning all about plate tectonics and where earthquakes occur around the globe. We will learn the basics of plate tectonics, including locations of the plate boundaries, distribution of earthquakes, and bathymetry and topography. This exercise uses images from Google Earth and Google Earth overlays created by various members of the scientific community. Updated seismic data can be found at: http://earthquake.usgs.gov/earthquakes/map/ Section A: Please refer to the following worldwide maps of earthquakes and volcanoes. Global Earthquakes (Note: Shallow, Intermediate, and Deep) refer to how deep underground the earthquakes are. It isn’t crucial for Tarbuck and Lutgen, The Earth (4 th ed.) , Macmillan, 1993
Winter 2024 GEO008 Page 2 of 7 Questions 1. Describe how the earthquakes and volcanoes are distributed around the world. Please list at least 4 geographic location. (12 pts) 2. List and define the three main types of plate boundaries. (18 pts) http://www.hrw.com/science/si-science/earth/tectonics/volcano/volcano/index.html Global Volcanoes
Winter 2024 GEO008 Page 3 of 7 3. Name at least 5 major tectonic plates. (10 pts) Section B: The Atlantic Ocean Figure 1: Shown is the mid-Atlantic Ocean region of the globe. The bathymetry of the sea floor is shown with dark blues representing deeper ocean water and light blue representing shallower ocean water. Topography of the continents is also shown with light green representing elevations near sea level and warm colors (yellow and reds) representing high elevations. Solid lines show the plate boundaries. Dots give earthquake locations and are colored by depth beneath the surface of the Earth (red = shallow and blue = deep). 1. Where is the plate boundary located that separates the South American and African Plates? (5 pts) 2. If the boundary were not shown (no solid lines on map) how might you determine the location? (5pts) 3. Where do most of the earthquakes in the Atlantic Ocean occur? Are they shallow or deep? (5 pts)
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