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Earthquake of magnitude 6.3 hits Kamchatka East Coast
A strong earthquake of magnitude 6.3 was recorded off the East Coast of Kamchatka, the National Center for Seismology (NCS), ...
Eastern, Central, Mountain, Pacific, Alaska, and Hawaii-Aleutian, accommodating its vast geographical size. This system, introduced by railroads in the 1880s, helps organize daily life, transportation ...