http://oaklandgeology.wordpress.com/2011/05/27/fault-gauge-39th-avenue/ focused on, near and under Oakland, California Tue, 18 Jun 2013 17:56:16 +0000 hourly 1 http://wordpress.com/ http://oaklandgeology.wordpress.com/2011/05/27/fault-gauge-39th-avenue/#comment-1998 Mon, 30 May 2011 02:34:39 +0000 http://oaklandgeology.wordpress.com/?p=987#comment-1998 I don’t know how old the mark is, but the US Geological Survey records show the fault zone as moving at 4.2 millimeters per year, measured along a 137-meter line across the fault. Across Oakland, creep seems to range from approximately 3 to 5 mm/yr.

]]> http://oaklandgeology.wordpress.com/2011/05/27/fault-gauge-39th-avenue/#comment-1996 Sat, 28 May 2011 16:27:09 +0000 http://oaklandgeology.wordpress.com/?p=987#comment-1996 What an easy and effective way! Great idea. Do you know about the rate of creep there? Offset seems to be in the order of 1-2 cm, how old is the mark?

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