Scientists finally know how big earthquakes start: With many smaller ones. Faults likely weaken or change before a large earthquake, new research has found. The vast majority of earthquakes we feel come soon after smaller ones, according to new research that provides unprecedented insights into how seismology works.
Do large or small earthquakes occur more often?
On average, Magnitude 2 and smaller earthquakes occur several hundred times a day world wide. Major earthquakes, greater than magnitude 7, happen more than once per month. Great earthquakes, magnitude 8 and higher, occur about once a year.
What is the safest state to live in based on weather?
1. Michigan. Located in the Midwest, Michigan is one of the safest states from natural disasters as shown by data from National Oceanic and Atmospheric Administration. Michigan is generally safe from hurricanes, tornadoes, and earthquakes.