Náttúrufræðingurinn

Volume

Náttúrufræðingurinn - 1985, Page 17

Náttúrufræðingurinn - 1985, Page 17
11 1. mynd. Upptök jarðskjálfta í heiminum 1963—1977, að stærð 4,5 og stærri. Upptökin raða sér víðast á tiltölulega mjó svæði, sem fylgja flekajöðrum. Gert eftir korti frá National Oceanic and Atmospheric Administration (NGDC), sem byggt er á gögnum frá U.S. Geological Survey og fleiri stofnunum. — Earthquake epicenters ofthe world, 1963—1977, for events of magnitude 4.5 and greater. The epicentral zones are relatively narrow in most places, and delineate the plate boundaries. Made from a map by the National Oceanic and Atmospheric Administration (NGDC), which is based on data from the U.S. Geological Survey and other organizations.

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Náttúrufræðingurinn

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