It's 19% for a magnitude 4 or higher, 2% for a magnitude 5 and above, and less than 1% for a magnitude 6 or 7 earthquake. The Malibu area quake struck around 7:28 a.m. at a depth of nearly six miles.
In the south-central United States, a significant number of recent earthquakes are thought to be caused by humans. The chart ...
Maine, New Hampshire and Massachusetts (and beyond) just experienced a 3.8 magnitude earthquake. Did you feel it? The quake ...