No Significant Earthquake Strikes Los Angeles on September 9, 2025

Lead Los Angeles experienced no felt earthquakes on September 9, 2025, despite a high-risk advisory from seismic forecasters recommending vigilance for potential tremors.

Nut Graf While regional authorities and the U.S. Geological Survey issued a “very high” risk forecast for earthquake activity between September 9 and 10, residents reported no shaking or damage today, underscoring the unpredictable nature of seismic events.

Forecast and Advisory

• The EarthquakePrediction network tweeted early this morning that southern California-including Los Angeles-faced elevated seismic risk from September 9 into September 10, urging preparedness measures such as securing heavy furniture and reviewing family safety plans.
• No quakes of magnitude 2.0 or greater were recorded in Los Angeles County by the USGS’s real-time monitoring stations today.

Context and Recent Activity

• On September 6, a minor 3.5-magnitude tremor struck six miles north of La Verne in the Pomona Valley at 5:11 p.m. PDT but caused no injuries or damage.
• Southern California’s extensive fault network, including the San Andreas and nearby branch faults, regularly produces small quakes that rarely escalate into damaging events.

Preparedness Recommendations

• Residents should confirm emergency kits contain at least a three-day supply of water, nonperishable food, and medical supplies.
• Secure bookcases, water heaters, and other tall or heavy furniture to wall studs.
• Review and practice “Drop, Cover, and Hold On” earthquake drills with household members.