Seismic Activity in the United States Since April 1, 2007
Seismic Activity Index


ALASKA

NORTH WEST STATES
CA[n], ID, OR, MT[w], WA

SOUTH WEST STATES
AZ, CA[s], NV, UT

HAWAII

PLAINS STATES
CO, KS, MT[e], NE, ND, NM, OK, SD, TX, WY

MISSISSIPPI BASIN (New Madrid) STATES
AR, IA, IL, KY[w], LA, MN, MO, MS, TN[w], WI

NEW ENGLAND STATES
CT, MA, ME, NH, RI, VT

NORTH EAST STATES
DE, IN, MD, MI, NJ, NY, OH, PA

SOUTH EAST STATES
AL, FL, GA, KY[e], NC, SC, TN[e], VA, WV

MISC

January 25
  • Region:  Kodiak Island
  • Magnitude:  5.0
  • Local Time:  08:04:07

    January 25
  • Region:  Kodiak Island
  • Magnitude:  4.9
  • Local Time:  08:04:08

    February 11
  • Region:  Kodiak Island
  • Magnitude:  4.5
  • Local Time:  18:22:50

    February 15
  • Region:  South East
  • Magnitude:  4.6
  • Local Time:  08:29:12

    February 22
  • Region:  Kodiak Island
  • Magnitude:  4.7
  • Local Time:  14:29:40


  • January 9
  • Region:  Offshore Northern California
  • Magnitude:  6.1
  • Local Time:  16:27:39

    January 9
  • Region:  Offshore Northern California
  • Magnitude:  4.5
  • Local Time:  18:21:38

    February 4
  • Region:  Offshore N California
  • Magnitude:  5.4
  • Local Time:  12:20:21

    February 12
  • Region:  Off coast Oregon
  • Magnitude:  4.5
  • Local Time:  15:38:17


  • February 27
  • Region:  Las Vegas Valley
  • Magnitude:  3.0
  • Local Time:  07:10:00



  • February 27
  • Region:  Sparks, OK
  • Magnitude:  4.4
  • Local Time:  22:22:27


  • January 2   (s0854-y0155-m0014)
  • Region:  Eastern Tennessee
  • Magnitude:  1.5
  • Local Time:  06:50:43
  • Location:  2 mile(s) NE of Niota, TN.

    January 5   (s0855-y0156-m0015)
  • Region:  Arkansas
  • Magnitude:  1.7
  • Local Time:  17:25:49
  • Location:  5 mile(s) S of Carawy, AR.

    January 17   (s0856-y0157-m0016)
  • Region:  Arkansas
  • Magnitude:  1.9
  • Local Time:  16:46:21
  • Location:  3 mile(s) NNE of Blytheville, AR.

    January 18   (s0857-y0158-m0017)
  • Region:  Arkansas
  • Magnitude:  2.3
  • Local Time:  01:32:32
  • Location:  6 mile(s) W of Gilt Edge, TN.

    January 18   (s0858-y0159-m0018)
  • Region:  SE Missouri
  • Magnitude:  1.6
  • Local Time:  09:17:01
  • Location:  2 mile(s) NW of Marston, MO.

    January 20   (s0859-y0160-m0019)
  • Region:  Arkansas
  • Magnitude:  3.3
  • Local Time:  15:18:44
  • Location:  5 mile(s) W of Powhatan, AR.

    January 20   (s0860-y0161-m0020)
  • Region:  Arkansas
  • Magnitude:  3.3
  • Local Time:  15:18:46
  • Location:  3 mile(s) WNW of Lynn, AR.

    January 30   (s0861-y0162-m0021)
  • Region:  Tennessee
  • Magnitude:  2.2
  • Local Time:  14:29:47
  • Location:  4 mile(s) S of Tiptonville, TN.

    January 30   (s0862-y0163-m0022)
  • Region:  Tennessee
  • Magnitude:  2.3
  • Local Time:  22:52:08
  • Location:  3 mile(s) S of Tiptonville, TN.

    February 3   (s0863-y0164-m0001)
  • Region:  Arkansas
  • Magnitude:  1.5
  • Local Time:  04:06:49
  • Location:  3 mile(s) SSW of Dell, AR.

    February 3   (s0864-y0165-m0002)
  • Region:  Tennessee
  • Magnitude:  1.5
  • Local Time:  06:18:14
  • Location:  6 mile(s) SE of Tiptonville, AR.

    February 7   (s0865-y0166-m0003)
  • Region:  SE Missouri
  • Magnitude:  1.6
  • Local Time:  06:22:14
  • Location:  2 mile(s) NW of Marston, MO.

    February 7   (s0866-y0167-m0004)
  • Region:  SE Missouri
  • Magnitude:  1.6
  • Local Time:  20:45:32
  • Location:  2 mile(s) WNW of Marston, MO.

    February 7   (s0867-y0168-m0005)
  • Region:  SE Missouri
  • Magnitude:  1.9
  • Local Time:  21:15:35
  • Location:  2 mile(s) NW of Marston, MO.

    February 14   (s0868-y0169-m0006)
  • Region:  SE Missouri
  • Magnitude:  1.8
  • Local Time:  14:36:43
  • Location:  4 mile(s) NW of Catron, MO.

    February 15   (s0869-y0170-m0007)
  • Region:  SE Missouri
  • Magnitude:  1.6
  • Local Time:  13:16:09
  • Location:  3 mile(s) ESE of Marston, MO.

    February 17   (s0870-y0161-m0008)
  • Region:  Arkansas
  • Magnitude:  2.5
  • Local Time:  20:44:33
  • Location:  3 mile(s) S of Twin Groves, AR.

    February 18   (s0871-y0172-m0009)
  • Region:  Arkansas
  • Magnitude:  1.7
  • Local Time:  14:43:29
  • Location:  3 mile(s) E of Greenbrier, AR.

    February 19   (s0872-y0173-m0010)
  • Region:  Arkansas
  • Magnitude:  1.6
  • Local Time:  03:04:17
  • Location:  3 mile(s) N of Greenbrier, AR.

    March 30   (s0873-y0174-m0011)
  • Region:  Arkansas
  • Magnitude:  1.8
  • Local Time:  00:25:08
  • Location:  3 mile(s) NW of Pottsville, AR.

    March 30   (s0874-y0175-m0012)
  • Region:  Arkansas
  • Magnitude:  1.8
  • Local Time:  07:02:45
  • Location:  30 mile(s) E of Hector, AR.

    March    (s0875-y0176-m0013)
  • Region:  Arkansas
  • Magnitude:  1.5
  • Local Time:  08:35:50
  • Location:  5 mile(s) SSW of Imboden, AR.



  • January 5
  • Region:  Alabama
  • Magnitude:  2.6
  • Local Time:  07:20:21

    January 18
  • Region:  Tennessee
  • Magnitude:  1.9
  • Local Time:  14:01:37

    March 27
  • Region:  West Virginia
  • Magnitude:  2.9
  • Local Time:  07:37:00

    March 28
  • Region:  E Tennessee
  • Magnitude:  2.1
  • Local Time:  16:40:34

    March 31
  • Region:  Eastern Tennessee
  • Magnitude:  2.0
  • Local Time:  01:16:15



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