NBC's Al Roker investigated why the state of Oklahoma has had hundreds of earthquakes in 2014 and the years during the 2010's decade.
The USGS & the OGS recently took the unprecedented step of issuing an "Earthquake Warning" for Oklahoma.
This is a look at the five unusual earthquakes to be epicentered in Texoma.
Initial earthquake rating gets downgraded after analysis.
Here is a look at recent earthquake activity in the region over the past seven days.
The people of south central Kansas felt the earth move this morning as a moderate quake shook the region.
Here is a look at an unusual temblor epicentered in Texoma.
If you thought you felt something at 12:10pm, you did, it was an earthquake.
Early this month Chicagoans felt the earth move but the seismic activity is believed not to be an earthquake.
Recently the states of Oklahoma and Texas have experienced an up tick in earthquake activity.
A moderate earthquake gets the attention of many Texans.
The state of Oklahoma has experienced an unusual swarm of earthquakes in a brief period of time.
A small earthquake epicentered just north of the Texas/Oklahoma border shakes Lake Texoma.
A small 2.2 magnitude quake shook Oklahoma after a period without quakes.
At 6:23pm CT on Wednesday, June 26, 2013 a small temblor shook northern Texoma.
On the last day of April a small temblor was recorded along the edge of the Caprock.
Light strength, late night quake shakes south central Oklahoma.
Two temblors shook metro Oklahoma City on Thursday, one a 3.3 and another a 3.2.