There have been at least 30 earthquakes since Tuesday near Los Angeles, an event that prompted officials to begin studying the swarm..
Kate Hutton from the USGS held a news conference to explain that the tremors are 'all part of the same earthquake sequence' since they are all taking place in the same area.
No major quakes have occurred, and many have not even been felt by residents in the area where they are shaking the ground. Though at least one LA Dodgers player felt it. Shane Victorino tweeted "Why is the hotel shaking????? ... Welcome to LA!"
The earthquake is being blamed for a natural gas explosion in Yorba Linda on Wednesday. The location where the explosion occurred was about 30 miles from the earthquake's epicenter..
As far as earthquake swarms, they have been prevalent in recent months. The Canary Islands saw a few, as did Ohio and Arkansas.. and as did Northeast Iceland just last month..
California did not have a large earthquake in years. However it's always possible if not likely that one will happen. Readers from Cali: Be prepared and safe. Hope nothing bad brews, but know your surroundings, and have survival items ready. Always.