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.
Seven of the ten largest earthquakes in the United States were in Alaska; Since 1900, Alaska has had an average of: One great earthquake (magnitude 8 or larger) earthquake every 13 years; One magnitude 7 to 8 earthquake every year; Six magnitude 6 to 7 earthquakes per year; Forty five magnitude 5 to 6 earthquakes per year; Three hundred twenty magnitude 4 to 5 earthquakes per year; An average of a 1,000 earthquakes are located in Alaska each month; 1. HAZUS 99 Estimated Annualized ...