4.9 shakes Southern California followed by several aftershocks

A-seismograph-at-Griffith-Observatory

Important Takeaways:

  • A magnitude 4.9 earthquake followed by several strong aftershocks shook Southern California early Monday afternoon.
  • According to the U.S. Geological Survey, the quake struck at 1 p.m., with the epicenter roughly 13 miles northeast of Barstow in San Bernardino County. The impact was felt across a wide swath of Southern California, including metropolitan Los Angeles and northern San Diego County.
  • The USGS initially measured the quake as a 5.1 magnitude but quickly downgraded it to 4.9. It was followed by several significant aftershocks measuring 3.5 and 2.7.
  • There were no immediate reports of damage or injuries.
  • Thousands of earthquakes are recorded in California each year, but the vast majority are extremely minor. According to the USGS, only several hundred are greater than magnitude 3.0, and only about 15 to 20 are greater than magnitude 4.0.

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