[EDIS] M4.3 quake 10:40AM

[Ian Kluft]

On Mon, Mar 30, 2009 at 11:16:58AM -0700, Ian Kluft wrote:
> The quake's magnitude was initially estimated at 4.6, then 4.4 and is
> currently listed as 4.3.  It was 3 miles south of Mouth Hamilton and
> appears to have been on the Calaveras Fault.

Correction... with a better look at the map it appears to have been on
another fault east of the Calaveras which I'm not familiar with.  It
wasn't shown on USGS's map that includes well-known faults.  But we can
see from the topography that the Diablo Range is riddled with NW/SE
trending faults.