Some people have recently written about the swarm of earthquakes at Yellowstone that have occurred over the past several days [see here and here, for example, but there may be others I don't know about].
The subject interested me so I thought I would look at the data more closely.
The raw data can be found here. I downloaded it, and have been downloading it for several days. Some of what I have, referenced in the graph below, may have fallen off the bottom of the USGS page.
A graph of the data is referenced below the fold. The patterns are interesting and they are developing. Stay tuned, I think.
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