Initial reports indicate that it registered as a 4.2 quake, and was centered about nine miles from Great Falls.
Two minor earthquakes struck the San Ramon area on Friday morning, officials said.
A 4.2-magnitude earthquake that originated just northeast of Great Falls was felt across central Montana Thursday afternoon, ...
The quake happened at 12:41 p.m., and was centered about 4.9 miles northeast of Great Falls at a depth of about 13.6 miles.
An earthquake of magnitude 3.1 shook the East Bay late Friday afternoon, according to the United States Geological Survey.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results