🚨California: 98 Earthquakes In 24 Hours | Major Fault Zone Southern California’s live USGS map is showing 98 earthquakes in the last 24 hours in the region I am tracking, with many of those tiny tremors lining up along major fault trends. On the surface, 98 sounds extreme, but this is where the deeper story starts. USGS estimates that Southern California averages around 10,000 earthquakes every year. That is roughly 25–30 quakes per day on average, and most of them are so small that nobody feel

On this day in 1989, a powerful 6.9 magnitude earthquake struck the Bay Area, changing lives forever. The Loma Prieta Earthquake took 63 lives, injured over 3,000, and caused devastating damage. This include the collapse of part of the San Francisco-Oakland Bay Bridge and massive fires in the Marina District. | KPIX CBS San Francisco Bay Area

This video, adapted from a Pacific Tsunami Warning Center animation, shows every recorded earthquake, in sequence, from January of 1980 to March of 2020 in California and surrounding states. Most earthquakes in the world, including those in the United States, are “interplate” earthquakes that occur at plate tectonic boundaries where large sections of the earth’s crust either grind past each other, pull apart, or slam together. With the exception of the Pacific Coast of Southern California, the c