Figure 12-1. The Stereographic projection of a hemisphere centered at latitude 60° N, longitude 45° W, with range circles centered on Boston and Reykjavik

Figure 12-2. The Eckert VI equal-area projection of the world with tectonic plate boundaries and regions of volcanic activity. The "Ring of Fire" is shown by the very thick line

Figure 12-3. The Azimuthal Equidistant projection centered at the Cape of Good Hope, with tectonic plate boundaries and regions of volcanic activity. The "Ring of Fire" is shown by the very thick line

Figure 12-4. The Azimuthal Equidistant projection centered on the island of Hawaii and extending 100° with equally spaced circles

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