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pl23_map00234.jpg

1935 map of Earthquake Zones showing correlation with Pacific Ring of Fire,Mid-Atlantic Ridge, and segments of ridge in both Pacific and Indian Oceans

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https://www.noaa.gov/media/digital-library-photo/pl23map00234jpg

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1935 map of Earthquake Zones showing correlation with Pacific Ring of Fire,Mid-Atlantic Ridge, and segments of ridge in both Pacific and Indian Oceans. Map produced by Nicholas Heck of the United States Coast and Geodetic Survey.

pl23_map00234.jpg

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