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Probability of a Major Earthquake
Los Angeles Region

Earthquake Damage in Northridge, 1994

Earthquake damage in Northridge, 1994. Photo courtesy of FEMA.

Within the next 30 years (from 2014), the probability of a major earthquake in the Los Angeles region is:
Magnitude 6.7: 60% (Equivalent to 1994 Northridge Earthquake)
Magnitude 7.0: 46% (Very serious damage throughout large area; 2.8X the destructive energy release of magnitude 6.7)
Magnitude 7.5: 31% (Considerable damage to most buildings; 15.8X the destructive energy release of magnitude 6.7)
Magnitude 8.0: 7% (Tremendous destruction & loss of life everywhere; 89.1X the destructive energy release of magnitude 6.7)

Source: U.S. Geological Service
See Richter Magnitude Scale for a description of the impact of various magnitude levels.


Know What To Do Before, During and After a Major Earthquake.


Significant Earthquakes Impacting Los Angeles County.