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Probability of an 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.