The last time we visited Yellowstone this one bison planted himself in the middle of the road and would not move.
We just had to wait for a while—and then he didn’t exactly run... :-)
This from September 2017. Had no idea there was so much activity - all the time!!!!
http://www.newsweek.com/yellowstone-supervolcano-earthquake-swarm-largest-recorded-658318
Yellowstone Supervolcano Earthquake Swarm Now One of Biggest on Record, With Over 2,300 Tremors
By Hannah Osborne On 9/1/17 at 9:05 AM
An ongoing earthquake swarm at Yellowstone volcano is now one of the biggest ever recorded, with over 2,300 tremors since it began in June.
As of August 30, 2,357 earthquakes had been recorded. The most powerful in recent weeks was magnitude 3.3; it took place on August 21.