M2.0 earthquake 10 km WSW of Shamrock, Oklahoma

Magnitude

2.0 (ml), micro

Local time

Wed, Dec 29, 2021, 4:28 PM CST

UTC

2021-12-29 22:28:33 UTC

Depth

7.3 km (4.5 mi), shallow

Epicenter

35.863° N, 96.684° W

Region

Oklahoma

Tsunami flag

No

Status

Reviewed by a seismologist

Magnitude uncertainty

±0.22

Station coverage gap

79°

Stations used

92

• Stroud, OklahomaPopulation 2,767. Forecast13 kmN
• Stillwater, OklahomaPopulation 48,967. Forecast44 kmSE
• Tulsa, OklahomaPopulation 413,066. Forecast70 kmWSW
• Dallas, TexasPopulation 1,326,087. Forecast343 kmN

After

1. 1.67 km E of Marshall, OklahomaThu, Jan 6, 8:34 AM CST · 1720 days ago · 25 km deep · 84 km away
2. 1.67 km NW of Wetumka, OklahomaSun, Jan 9, 8:57 AM CST · 1717 days ago · 2 km deep · 73 km away
3. 1.64 km W of Lucien, OklahomaFri, Jan 14, 1:22 PM CST · 1712 days ago · 4 km deep · 86 km away · felt by 1
4. 1.93 km NNW of Covington, OklahomaSat, Jan 15, 12:42 AM CST · 1712 days ago · 7 km deep · 98 km away
5. 2.23 km NNW of Covington, OklahomaSat, Jan 15, 9:38 AM CST · 1711 days ago · 6 km deep · 98 km away · felt by 3
6. 2.25 km N of Stroud, OklahomaMon, Jan 17, 4:09 PM CST · 1709 days ago · 8 km deep · 8 km away
7. 1.77 km SW of Yale, OklahomaMon, Feb 7, 12:15 AM CST · 1689 days ago · 8 km deep · 25 km away · felt by 1
8. 2.05 km WNW of Lucien, OklahomaSat, Feb 12, 10:14 AM CST · 1683 days ago · 8 km deep · 88 km away · felt by 1
9. 2.011 km NW of Pawnee, OklahomaSat, Feb 19, 8:36 PM CST · 1676 days ago · 7 km deep · 64 km away
10. 1.510 km NW of Pawnee, OklahomaSat, Feb 19, 10:23 PM CST · 1676 days ago · 6 km deep · 64 km away
11. 1.910 km NNW of Perry, OklahomaSun, Feb 20, 6:51 AM CST · 1675 days ago · 7 km deep · 82 km away
12. 1.55 km W of Lucien, OklahomaSun, Feb 20, 7:03 AM CST · 1675 days ago · 7 km deep · 88 km away
13. 2.04 km SE of Marshall, OklahomaThu, Feb 24, 1:34 AM CST · 1672 days ago · 7 km deep · 87 km away
14. 1.75 km NE of Crescent, OklahomaSat, Feb 26, 11:53 PM CST · 1669 days ago · 8 km deep · 80 km away
15. 2.68 km NW of Prague, OklahomaSun, Feb 27, 9:17 AM CST · 1668 days ago · 8 km deep · 36 km away · felt by 5

Before

1. 2.34 km NE of Coyle, OklahomaSat, Dec 18, 10:29 AM CST · 1739 days ago · 7 km deep · 48 km away · felt by 2
2. 1.88 km NW of Prague, OklahomaSat, Dec 18, 1:23 AM CST · 1740 days ago · 7 km deep · 37 km away
3. 1.72 km WNW of Crescent, OklahomaFri, Dec 17, 5:46 PM CST · 1740 days ago · 8 km deep · 85 km away
4. 1.98 km NW of Prague, OklahomaFri, Dec 17, 2:52 PM CST · 1740 days ago · 8 km deep · 37 km away
5. 2.18 km NW of Prague, OklahomaFri, Dec 17, 1:19 PM CST · 1740 days ago · 8 km deep · 37 km away
6. 2.14 km NE of Coyle, OklahomaThu, Dec 16, 1:49 AM CST · 1742 days ago · 7 km deep · 48 km away
7. 2.010 km WSW of Shamrock, OklahomaWed, Dec 15, 11:05 PM CST · 1742 days ago · 8 km deep · 0 km away
8. 1.911 km NW of Perry, OklahomaWed, Dec 15, 4:00 PM CST · 1742 days ago · 7 km deep · 83 km away
9. 1.86 km W of Johnson, OklahomaTue, Dec 14, 7:32 AM CST · 1743 days ago · 6 km deep · 56 km away
10. 2.76 km WNW of Lucien, OklahomaMon, Dec 6, 11:13 PM CST · 1751 days ago · 7 km deep · 89 km away · felt by 4
11. 1.99 km NNW of Perry, OklahomaTue, Nov 30, 9:06 PM CST · 1757 days ago · 6 km deep · 82 km away

From the USGS Earthquake Hazards Program and its partner networks, event ok2021zncp. Read Tue, Sep 22, 2026, 9:29 PM UTC.