Portal:Earth sciences/DYK/4

... 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?

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