Earthquakes are caused by the sudden release of energy through the earth’s crust, which creates seismic waves. The disruption caused by these waves creates the shaking that most people associate with earthquakes. The US Geological Survey (USGS) estimates there are ~500,000 seismic events every year. Most of them are too… Read more“Map Monday, Earthquakes, Causes, Facts, & Predictions”
Category: Science
Map Monday, L’anse aux Meadows
L’anse aux Meadows, a Canadian National Historic Site in Newfoundland, contains the oldest evidence of European settlement in North America. Discovered in the 1960s, the site includes the remains of eight buildings with several lodges and carpentry facilities. Using the same techniques found in Scandinavia, the occupants also recovered local… Read more“Map Monday, L’anse aux Meadows”
Map Monday, Life Expectancy through History
Life expectancy typically refers to the average lifespan of a person at birth. It’s often calculated for specific subgroups of people, e.g., nationalities, sex, wealth, etc. Using a combination of recorded and archeological data it can even be estimated for historical periods. Important Factors Infant and child mortality are the… Read more“Map Monday, Life Expectancy through History”