This blog lays at 1,351,085 in Alexa Site Rank (which puts us 5th among the top 25 blogs in the ranking), according to analysis by
BlogRank. A colleague passed along a link to the ranking site, with references to the top 25 blogs based on their 20 metrics.
Arizona Geology is #1 in number of pages posted (5,937 - what I lack in quality, I make up for with volume) and #1 in number of pages indexed by Google (2,350).
Overall,
Arizona Geology gets an "ultimate rank" of 16th among geology blogs.