March 15, 2019 – Mary Greeley News – POLLARD, Ala. – A fourth earthquake that took place late Tuesday evening was confirmed by the US Geological Survey Thursday.
The 2.2 magnitude earthquake took place around 11:51 pm Tuesday near Pollard, Alabama, which is 18 miles east of Atmore.
The earthquake comes after a 2.3 magnitude earthquake that took place around 8:27 pm, this one centered closer to Flomaton, Alabama.
Two other earthquakes have been reported in the Alabama/Florida state line area. On March 7, a magnitude 2.7 earthquake struck northwest Florida. Monday, a 3.1 magnitude earthquake hit near Flomaton and Pollard.
On the USGS felt earthquake page for the M3.1, 117 people reported feeling it which happened on March 11th.
For the M2.3 earthquake 2 people reported feeling it on March 13th.
For the M2.7 earthquake, 44 people reported feeling it on March 7th.
There were no reports of damage.
These earthquakes are caused by stress built up from the South Georgia Rift.
The South Georgia Rift (SGR) Basin, buried beneath Coastal Plain sediments of southern South Carolina, southeastern Georgia, western Florida, and southern Alabama.
It believed that the Atlantic sea floor spreading has affected this fault zone.
credit: in part with http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.860.3075&rep=rep1&type=pdf