March 19, 2010: The epicenter of the 2.4-magnitude quake March 19 was about three miles east of Forest Park and six miles northeast of Oklahoma City.
March 21, 2010: A 3.7-magnitude earthquake struck near Prague in Lincoln County on March 21. The quake, which occurred about 8:35 p.m., was recorded five miles northwest of Prague. Reports came from as far as Tulsa and Claremore.
April 11, 2010: A magnitude-3 earthquake occurred about 11:05 p.m. April 11 about six miles southeast of Luther in Oklahoma County.
April 14-15, 2010: Quakes were recorded April 14 and 15. The first quake was magnitude 3 and struck about six miles north of Tupelo, and the second was magnitude 3.2 and hit about six miles southeast of Allen.
May 7, 2010: A magnitude-3.1 quake was recorded May 7 four miles southeast of Jones. The quake occurred at 7:44 a.m.
June 30-July 1, 2010: The U.S. Geological Survey said two earthquakes were detected 5 minutes apart beginning about 7:41 p.m. June 30 near Ratliff City. Both had a magnitude of 2.5. A third was about 12:52 p.m. July 1, 2010, near Harrah. That quake had a magnitude of 2.6.
Aug. 31-Sept. 1, 2010: Six small earthquakes were recorded in the Luther and Jones areas Aug. 31 and Sept. 1. The quakes had a magnitude of 3.1 on Aug. 31.
Sept. 4, 2010: A small quake hit Sept. 4 near Luther. The 3.1-magnitude quake occurred about 10:20 a.m. and was centered about four miles south of Luther.
Sept. 19, 2010: A quake with a 4 magnitude was recorded Sept. 19 about four miles southwest of Luther. It hit about 5 p.m. and could be felt in Luther, Jones, Oklahoma City, Arcadia, Harrah, Edmond and Choctaw.
Oct. 13, 2010: The epicenter of a magnitude 4.7 quake Oct. 13 was about eight miles southeast of Norman, south of Lake Thunderbird near E Post Oak Road and 84th Avenue SE.
Oct. 19, 2010: A magnitude-2.6 earthquake centered seven miles southeast of Norman was reported Oct. 19.
Nov. 24: A 4.2-magnitude quake occurred about 4:45 p.m. Nov. 24 in central Oklahoma, and a second quake at 3.2 magnitude hit the same area about an hour later. The epicenter of the first quake was about four miles southwest of Luther and 19 miles east-northeast of Oklahoma City, the U.S. Geological Survey reported.
Nov. 25: A 2.5-magnitude quake was recorded about 10:09 a.m. Nov. 25 with the epicenter about three miles east of Arcadia. Another 2.8-magnitude earthquake followed about a minute later, centered about four miles from Arcadia.
December: A small earthquake was recorded for the second time in four days near Allen in Pontotoc County, about 75 miles southeast of Oklahoma City. The U.S. Geological Survey recorded the 2.8-magnitude quake at 3:49 a.m. Dec. 24. A 2.5-magnitude quake was recorded in the same area Dec. 20.
Jan. 15: A 3.4-magnitude earthquake struck near Jones early Jan. 15, the U.S. Geological Survey reported. The 4:50 a.m. quake's epicenter was about three miles southeast of Jones and 17 miles east-northeast of Oklahoma City.
Feb. 3: At 8:06 p.m. Feb. 3, a magnitude-2.5 quake was felt between N Air Depot and N Midwest Boulevard between NE 23 and NE 10.
Feb. 4: At 1:30 a.m. Feb. 4, a magnitude-2.3 quake was felt by about 10 people who reported it from the same area as the previous day. The quakes were about three miles below the surface.
July 29: The Oklahoma Geological Survey said six small earthquakes were recorded July 29 near Choctaw. The survey said the largest was magnitude 2.7 and was recorded at 10:45 p.m.
Aug. 7: Two quakes struck south of Oklahoma City on Aug. 7, the U.S. Geological Survey reported. The first quake occurred shortly after 2:30 a.m. and had an estimated magnitude of 2.0. Its epicenter was about 10 miles from Oklahoma City. The survey reported the second one happened about 8 a.m. with a magnitude of 2.3. Its epicenter was 15 miles southeast of Oklahoma City. Geologists say earthquakes of magnitude 2.5 to 3 are generally the smallest felt by humans.
Aug. 23: An earthquake with a magnitude of 2.8 was recorded in eastern Oklahoma County on Aug. 23, according to the U.S. Geological Survey. The quake hit two miles south of Jones and four miles north-northwest of Choctaw about 4:40 p.m.
Oct. 18: On Oct. 18, a 2.9-magnitude earthquake shook the ground in the Oklahoma City area and was reportedly felt by nearly 300 people, with reports coming from Shawnee, Wellston and as far away as Claremore — about 190 miles from the epicenter.
Oct. 23: Two small earthquakes were reported early Oct. 23 in the Oklahoma City area, according to the U.S. Geological Survey. The larger of the two reportedly struck at 12:45 a.m., about six miles southeast of Oklahoma City. The 2.5-magnitude earthquake netted 22 reports from nearby residents in Oklahoma City, Choctaw and Spencer, the USGS reported. A 2.2-magnitude quake occurred at roughly 3 a.m. and was reportedly felt by 10 residents in Oklahoma City and Spencer. The smaller quake struck about 13 miles northeast of Oklahoma City.
Saturday: A 4.7-magnitude earthquake that hit at 2:12 a.m. Saturday was initially thought to be the main shock until the 5.6-magnitude quake struck later in the day. The epicenter was in Lincoln County, but the tremors were felt throughout Oklahoma and in other states.