The Mobile Mud Spring

In 2016, an unprecedented gas-driven "mud spring" near the southern end of the San Andreas Fault began moving southwest towards the UPRR tracks. The mobile mud spring appeared to be moving along a fault or crack with the gas source at least 2,000 feet below the ground surface. 

Travis Deane, Vice President and Los Angeles office manager recently spoke about this unique geologic feature at AREMA 2019's Maintenance-of-Way Presentation, "The Mobile Mud Spring vs. The Union Pacific Railroad," with Chase Nichols of Union Pacific Railroad.  Check out the presentation below.

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