September 9, 2001 Earthquake: Los Angeles, California, United States
A magnitude 4.2 earthquake struck Los Angeles, California, United States on September 9, 2001 at 23:59:18 UTC, 5 km below the surface.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- September 9, 2001
- Time
- 23:59:18 UTC
- Place
- Los Angeles, California, United States
- Magnitude
- 4.2 (mb)
- Focal depth
- 5 km (3 mi)
- Intensity
- 6 on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 34.059° N, 118.387° W
- Country
- United States
The toll
- Damage
- Limited (under about $1 million)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- March 11, 1933, Long Beach, California, United States
- February 9, 1971, San Fernando, California, United States
- January 17, 1994, Northridge, California, United States
- December 8, 1812, San Juan Capistrano, California, United States
- June 29, 1925, Santa Barbara, California, United States
- July 21, 1952, Kern County, California, United States
- October 1, 1987, Whittier, California, United States
- December 25, 1899, California, United States
- June 28, 1992, Landers, Yucca Valley, California, United States
- June 28, 1991, Arcadia, Glendale, Los Angeles, California, United States
- August 22, 1952, Kern County, California, United States
- August 31, 1930, Southern, California, United States
- October 4, 1987, Whittier, Pasadena, California, United States
- April 21, 1918, San Jacinto, Hemet, California, United States
- December 21, 1812, Purisima, California, United States
More
Significant earthquakes of 2001The 2000sEvery quake the USGS located in 2001Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 5608.