Portal:Earth sciences/DYK/4

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 * ... that New Zealand geologist Patrick Marshall (pictured) was the first who used the term "andesite line"?
 * ...that the Earth's magnetic field is shaped roughly as a magnetic dipole, with the poles currently located proximate to the planet's geographic poles?
 * ...In total, about 401 people have been outside the Earth's atmosphere as of 2004, and, of these, twelve have walked on the Moon?
 * ...that the Apache-Sitgreaves National Forest is a 2 million acre (8000 km²) national forest which runs along the Mogollon Rim and the White Mountains in east-central Arizona and extending into New Mexico, United States?
 * ...that the Himalaya mountain range is the world's highest mountain range?
 * ... that the 1999 Chamoli earthquake in India, in which 103 people died, was also felt in the Baitadi, Dadeldhura and Kanchanpur districts in Nepal?