(CNN) Over the past few days in Southern California, there was an earthquake roughly every minute.

In the first 100 hours since a 6.4 magnitude earthquake struck near Ridgecrest, a community 150 miles north of Los Angeles, on Thursday, there have been 5,400 mostly small earthquakes. That's an earthquake every 1 minute and 7 seconds.

This video shows earthquake events a few hours before the M6.4 on July 4th, 2019 to present (as of above noon on July 8th, 2019). #earthquake #usgs #californiaearthquake pic.twitter.com/c5JEDynLQ4 — USGS (@USGS) July 8, 2019

The US Geological Survey on Monday released an animation depicting the series of earthquakes, spanning from early Thursday morning until noon Monday. The animation shows Thursday's 6.4 earthquake to the south, followed by Friday's 7.1 quake to the northwest.

Friday's earthquake was 11 times stronger than Thursday's 6.4 magnitude earthquake.

The animation shows a surge of aftershocks continuing northwest.