San Andreas (San Bernardino, south) Details

PropertyValue
Rupture Count32,497
Ruptures w/ Nonzero Rates29,181
Magnitude Range[6.30, 8.37]
Length Range[12, 1,469] km
Total Rate0.0053583276 /yr
Multi-Fault Rate0.0028456224 /yr (53.11%)
Directly-Connected Faults9
All Co-Rupturing Faults152

Table Of Contents

Magnitude-Frequency Distribution

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Fault magnitude-frequency distributions. The left plot shows incremental rates (rates within each magnitude bin), and the right plot shows cumulative rates (rates at or above the given magnitude).

The smaller bottom panel shows the distribution of available ruptures with a green histogram and is not rate-weighted. It only shows the raw count of ruptures of various magnitudes available in the rupture set.

IncrementalCumulative
Incremental PlotCumulative Plot

NOTE: This solution has a distribution of magnitudes and rates for each ruptures, and is likely a branch-averaged solution. That full distribution for each rupture is used to construct the MFDs above, but only mean magnitudes are used in the lower panel showing available and utilized magnitudes, and thus there may be bins with nonzero rates in the top panel where no mgnitudes are shown in the bottom. The magnitude rage at the top of this page also only considers mean magnitudes.

Cumulative Rates and Recurrence Intervals Table

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MagnitudeParticipation RateRangeParticipation RI (yrs)Range
M≥6.10.0053583276[4.08E-4, 1.66E-2]186.63[60.28, 2,453.63]
M≥6.20.005154583[4.08E-4, 1.35E-2]194[74.26, 2,453.63]
M≥6.30.0050875894[4.08E-4, 1.35E-2]196.56[74.26, 2,453.63]
M≥6.40.004691133[1.10E-4, 1.35E-2]213.17[74.26, 9,128.67]
M≥6.50.0044073085[0.00E0, 8.46E-3]226.9[118.23, ∞]
M≥6.60.004044008[0.00E0, 8.46E-3]247.28[118.23, ∞]
M≥6.70.003389287[0.00E0, 6.26E-3]295.05[159.62, ∞]
M≥6.80.0028950025[0.00E0, 5.17E-3]345.42[193.5, ∞]
M≥6.90.0025431952[0.00E0, 4.80E-3]393.21[208.47, ∞]
M≥70.002290376[0.00E0, 4.53E-3]436.61[220.95, ∞]
M≥7.10.002055333[0.00E0, 4.42E-3]486.54[226.2, ∞]
M≥7.20.0017990132[0.00E0, 4.42E-3]555.86[226.3, ∞]
M≥7.30.0016429696[0.00E0, 3.57E-3]608.65[279.93, ∞]
M≥7.40.0015142582[0.00E0, 3.45E-3]660.39[289.9, ∞]
M≥7.50.00139799[0.00E0, 3.17E-3]715.31[315.81, ∞]
M≥7.60.0013063208[0.00E0, 3.09E-3]765.51[323.42, ∞]
M≥7.70.0012119658[0.00E0, 2.96E-3]825.11[337.79, ∞]
M≥7.80.0010259837[0.00E0, 2.92E-3]974.67[342.7, ∞]
M≥7.97.0485234E-4[0.00E0, 2.88E-3]1,418.74[346.68, ∞]
M≥82.7053055E-4[0.00E0, 1.89E-3]3,696.44[529.38, ∞]
M≥8.19.9023644E-5[0.00E0, 1.40E-3]10,098.6[712.96, ∞]
M≥8.23.6876027E-5[0.00E0, 1.06E-3]27,117.89[943.31, ∞]
M≥8.31.2154214E-5[0.00E0, 7.78E-4]82,275.99[1,285.52, ∞]
M≥8.42.2778515E-6[0.00E0, 4.09E-4]439,010.18[2,445.29, ∞]
M≥8.53.4187186E-9[0.00E0, 2.42E-6]292,507,251.67[413,052.44, ∞]

Individual Branch Nucleation MFDs

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Individual nucleation MFDs across 2250 logic tree branches. The individual branches with the highest and lowest total rate are highlighted, as are the mean and median models.

IncrementalCumulative
Incremental PlotCumulative Plot

Along-Strike Values

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Along-strike plot

Moment-Rates and b-Values

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Along-strike plot

Length Distributions

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Fault rupture length distributions. The top panel shows the raw count of ruptures in which San Andreas (San Bernardino, south) participates in the rupture set as a function of rupture length. The bottom two panels show the rate-weighted distribution (i.e., the distribution of lengths in the solution). The middle panel is plotted with a linear scale, and the bottom paney a logarithmic scale.

Length Hist

Rupture Examples

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The following table includes example ruptures, selected at various percentiles from the rate-weighted rupture length distribution. So, for example, the rupture with length closest to the median length (again, rate-weighted) is plotted in the first column ('p50 Example'). The longest participating rupture is plotted last ('p100 Example').

It is important to note that the rupture examples here may not be representative, and may have negligible rates. They are included for illustration purposes only.

p50 Example

p75 Example

p90 Example
Rupture 443672Rupture 392873Rupture 533256

p97.5 Example

p99 Example

p100 Example

Rupture 196786Rupture 366071Rupture 247880

Connectivity

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Map

Nearby Sections

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Fault SectionFault Section
San Andreas (San Bernardino, north), 0 km awayLake Peak, 7.89 km away
San Andreas (San Gorgonio Pass - Garnet Hill), 0 km awayPinto Mountain, 10.66 km away
Mill Creek (San Andreas, north branch), 0.14 km awaySan Jacinto (San Bernardino), 10.72 km away
Mission Creek, 0.18 km awayLytle Creek (San Jacinto, connector), 10.92 km away
Reservoir Canyon, 0.21 km awayCleghorn, 11.61 km away
San Gorgonio Pass, 0.21 km awaySan Andreas (Banning), 12.04 km away
Cox Ranch, 0.22 km awaySan Jacinto (San Jacinto Valley), 14.07 km away
Crafton Hills, 0.99 km awayNorth Frontal (east), 14.28 km away
North Frontal (west), 5.23 km away

San Andreas (San Bernardino, north), 0 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist0 km
Min Rate-Weighted Dist0 km
Co-rupture Count31,111
Co-rupture Rate0.002403248
Co-rupture Mag Range[6.61, 8.37]

San Andreas (San Gorgonio Pass - Garnet Hill), 0 km away

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NSHM23
Connected?true
Directly Connected?false
Co-rupture Count2,831
Co-rupture Rate6.283955E-5
Co-rupture Mag Range[7.29, 8.35]

Mill Creek (San Andreas, north branch), 0.14 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist0.14 km
Min Rate-Weighted Dist0.5 km
Co-rupture Count22,004
Co-rupture Rate2.3170063E-4
Co-rupture Mag Range[6.80, 8.37]

Mission Creek, 0.18 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist0.18 km
Min Rate-Weighted Dist0.18 km
Co-rupture Count21,743
Co-rupture Rate4.4103712E-4
Co-rupture Mag Range[6.85, 8.37]

Reservoir Canyon, 0.21 km away

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NSHM23
Connected?true
Directly Connected?false
Co-rupture Count89
Co-rupture Rate1.4112484E-5
Co-rupture Mag Range[6.81, 7.77]

San Gorgonio Pass, 0.21 km away

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NSHM23
Connected?true
Directly Connected?false
Co-rupture Count828
Co-rupture Rate3.973408E-5
Co-rupture Mag Range[7.32, 8.30]

Cox Ranch, 0.22 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist0.22 km
Min Rate-Weighted Dist0.22 km
Co-rupture Count4,418
Co-rupture Rate9.388346E-4
Co-rupture Mag Range[6.79, 8.33]

Crafton Hills, 0.99 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist0.99 km
Min Rate-Weighted Dist2.67 km
Co-rupture Count1,535
Co-rupture Rate5.3525295E-5
Co-rupture Mag Range[6.79, 8.28]

North Frontal (west), 5.23 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist5.23 km
Min Rate-Weighted Dist6.21 km
Co-rupture Count1,216
Co-rupture Rate4.078928E-6
Co-rupture Mag Range[6.86, 8.27]

Lake Peak, 7.89 km away

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NSHM23
Connected?false
Directly Connected?false
Co-rupture Count0
Co-rupture RateN/A

Pinto Mountain, 10.66 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist10.66 km
Min Rate-Weighted Dist10.66 km
Co-rupture Count220
Co-rupture Rate6.832792E-5
Co-rupture Mag Range[6.71, 7.82]

San Jacinto (San Bernardino), 10.72 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist10.72 km
Min Rate-Weighted Dist11.04 km
Co-rupture Count137
Co-rupture Rate1.0762091E-4
Co-rupture Mag Range[6.89, 7.80]

Lytle Creek (San Jacinto, connector), 10.92 km away

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NSHM23
Connected?false
Directly Connected?false
Co-rupture Count0
Co-rupture RateN/A

Cleghorn, 11.61 km away

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NSHM23
Connected?true
Directly Connected?true
Min Co-Rupture Dist11.61 km
Min Rate-Weighted Dist11.67 km
Co-rupture Count520
Co-rupture Rate1.2630433E-5
Co-rupture Mag Range[6.67, 7.87]

San Andreas (Banning), 12.04 km away

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NSHM23
Connected?true
Directly Connected?false
Co-rupture Count8,068
Co-rupture Rate2.6824448E-4
Co-rupture Mag Range[7.11, 8.35]

San Jacinto (San Jacinto Valley), 14.07 km away

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NSHM23
Connected?true
Directly Connected?false
Co-rupture Count32
Co-rupture Rate1.4892727E-5
Co-rupture Mag Range[6.97, 7.74]

North Frontal (east), 14.28 km away

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NSHM23
Connected?true
Directly Connected?false
Co-rupture Count543
Co-rupture Rate8.801661E-6
Co-rupture Mag Range[7.18, 8.29]