Black resistance against slavery. Between 9 and 11 million enslaved Africans were bought by European traders from Africa between 1450 and 1870. They were taken across the Atlantic Ocean to work on the European-owned plantations and mines of the Americas. Hence the name the transatlantic slave trade.
How many earthquakes does Alaska have each year? Alaska has 11% of the world's earthquakes, and 3 of the 6 largest in recorded history were located there. Since 1900, Alaska has had 1 magnitude 7 or 8 earthquakes per year, 45 earthquakes of magnitude 6 or 7, and 10,000 quakes overall annually. The most famous earthquake, of course, was the 1964 Great Alaska Earthquake centered near Prince William Sound. With a magnitude 9.2 over 4.5 minutes, this devastating temblor and resulting tsunami took the lives of 100 people and turned the city of Anchorage into a disaster area.
A magnitude 7.5 earthquake struck off the coast of southeast Alaska on January 5 at a depth of 9.9 km (6.2 mi). A magnitude 6.1 earthquake struck the Pacific-Antarctic Ridge on January 15 at a depth of 10 km (6.2 mi). A magnitude 6.1 earthquake struck northern Sumatra, on January 21 at depth of 12 km (7.5 mi), killing one person and injuring 15 others.