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.
1 Alaska, California and Hawaii have the most earthquakes in the U.S. 2  Other western states, like Nevada, Idaho, Washington and Oregon are prone to earthquakes or can be damaged by earthquakes that happen in Alaska and California.3  Alaska has more earthquakes than any other U.S. state. When they move again, they cause an earthquake. 2  Scientists who study earthquakes are called seismologists. 3  Seismologists can tell how serious an earthquake is by a machine called a seismogram, which rates the intensity of the quakeâs shaking. 4  Scientists can use special instruments to record an earthquakeâs strength.