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

October 7
  • Region:  Rat Islands, Aleutians
  • Magnitude:  5.6
  • Local Time:  05:38:37

    October 12
  • Region:  Fox Islands, Aleutians
  • Magnitude:  6.2
  • Local Time:  21:37:28

    October 13
  • Region:  Fox Islands, Aleutians
  • Magnitude:  6.3
  • Local Time:  12:21:54

    December 5
  • Region:  Northern Alaska
  • Magnitude:  4.7
  • Local Time:  00:14:54

    December 17
  • Region:  Rat Islands
  • Magnitude:  5.8
  • Local Time:  10:01:21

    December 17
  • Region:  Southern Alaska
  • Magnitude:  5.4
  • Local Time:  18:33:14


  • October 2
  • Region:  off coast Northern California
  • Magnitude:  4.5
  • Local Time:  01:17:11

    November 4
  • Region:  off coast of Oregon
  • Magnitude:  5.3
  • Local Time:  04:38:29

    December 14
  • Region:  Off cst of Oregon
  • Magnitude:  4.6
  • Local Time:  18:34:07


  • October 1
  • Region:  Central California
  • Magnitude:  5.1
  • Local Time:  03:01:23

    October 2
  • Region:  Central California
  • Magnitude:  4.7
  • Local Time:  18:09:18

    October 2
  • Region:  Central California
  • Magnitude:  4.9
  • Local Time:  18:10:25

    October 2
  • Region:  Central California
  • Magnitude:  5.2
  • Local Time:  18:15:59

    October 2
  • Region:  Central California
  • Magnitude:  4.7
  • Local Time:  22:31:57

    October 3
  • Region:  Central California
  • Magnitude:  4.5
  • Local Time:  04:37:10

    October 7
  • Region:  Santa Cruz Islands
  • Magnitude:  7.7
  • Local Time:  22:18:26

    October 8
  • Region:  Santa Cruz Islands
  • Magnitude:  5.8
  • Local Time:  01:59:20

    October 7
  • Region:  Santa Cruz Islands
  • Magnitude:  6.9
  • Local Time:  02:12:39
    October 8

    October 8
  • Region:  Santa Cruz Islands
  • Magnitude:  6.1
  • Local Time:  08:34:37

    October 8
  • Region:  Santa Cruz Islands
  • Magnitude:  6.4
  • Local Time:  21:16:12

    October 8
  • Region:  Santa Cruz Islands
  • Magnitude:  5.6
  • Local Time:  23:35:50

    October 12
  • Region:  Santa Cruz Islands
  • Magnitude:  6.4
  • Local Time:  20:37:17

    October 24
  • Region:  Santa Cruz Islands
  • Magnitude:  6.0
  • Local Time:  02:14:13

    November 1
  • Region:  Santa Cruz
  • Magnitude:  5.9
  • Local Time:  06:09:52

    November 15
  • Region:  Channel Islands, California
  • Magnitude:  4.5
  • Local Time:  14:45:26

    November 16
  • Region:  Southern California
  • Magnitude:  4.6
  • Local Time:  13:21:30

    November 24
  • Region:  Santa Cruz Islands
  • Magnitude:  5.8
  • Local Time:  05:36:34




  • October 1   (s0792-y0093-m0001)
  • Region:  SE Missouri
  • Magnitude:  1.6
  • Local Time:  19:31:33
  • Location:  0 mile(s) SW of Howardville, MO.

    October 3   (s0793-y0094-m0002)
  • Region:  Tennessee
  • Magnitude:  1.7
  • Local Time:  14:18:45
  • Location:  3 mile(s) SSW of Tiptonville, TN.

    October 3   (s0794-y0095-m0003)
  • Region:  Tennessee
  • Magnitude:  2.2
  • Local Time:  19:58:17
  • Location:  2 mile(s) SSW of Tiptonville, TN.

    October 4   (s0795-y0096-m0004)
  • Region:  SE Missouri
  • Magnitude:  1.7
  • Local Time:  19:17:54
  • Location:  3 mile(s) ESE of Marston, MO.

    October 5   (s0796-y0097-m0005)
  • Region:  W Tennessee
  • Magnitude:  1.5
  • Local Time:  10:39:07
  • Location:  3 mile(s) SSW of Tiptonville, TN.

    October 5   (s0797-y0098-m0006)
  • Region:  W Tennessee
  • Magnitude:  2.5
  • Local Time:  18:11:36
  • Location:  3 mile(s) SSW of Tiptonville, TN.

    October 6   (s0798-y0099-m0007)
  • Region:  W Tennessee
  • Magnitude:  1.9
  • Local Time:  00:12:08
  • Location:  2 mile(s) SSW of Tiptonville, TN.

    October 6   (s0799-y0100-m0008)
  • Region:  SE Missouri
  • Magnitude:  1.8
  • Local Time:  13:17:33
  • Location:  5 mile(s) ESE of Marston, MO.

    October 8   (s0800-y0101-m0009)
  • Region:  SE Missouri
  • Magnitude:  1.8
  • Local Time:  03:59:48
  • Location:  3mile(s) SE of Marston, MO.

    October 15   (s0801-y0102-m0010)
  • Region:  Arkansas
  • Magnitude:  2.8
  • Local Time:  01:55:35
  • Location:  2 mile(s) W of Greenbrier, AR.

    October 14   (s0802-y0103-m0011)
  • Region:  Arkansas
  • Magnitude:  2.8
  • Local Time:  23:05:15
  • Location:  6 mile(s) NNW of Quitman, AR.

    October 15   (s0803-y0104-m0012)
  • Region:  Arkansas
  • Magnitude:  2.7
  • Local Time:  13:53:22
  • Location:  1 mile(s) NW of Greenbrier, AR.

    October 15   (s0804-y0105-m0013)
  • Region:  Arkansas
  • Magnitude:  1.8
  • Local Time:  16:08:39
  • Location:  3 mile(s) N of Etowah, AR.

    October 16   (s0805-y0106-m0014)
  • Region:  Arkansas
  • Magnitude:  2.8
  • Local Time:  02:19:53
  • Location:  7 mile(s) SSW of Higdon, AR.

    October 16   (s0806-y0107-m0015)
  • Region:  SE Missouri
  • Magnitude:  1.9
  • Local Time:  03:29:53
  • Location:  5 mile(s) W of East Prairie, MO.

    October 18   (s0807-y0108-m0016)
  • Region:  Arkansas
  • Magnitude:  2.6
  • Local Time:  12:22:56
  • Location:  6 mile(s) SE of Redfield, AR.

    October 18   (s0808-y0109-m0017)
  • Region:  Tennessee
  • Magnitude:  1.7
  • Local Time:  12:53:21
  • Location:  4 mile(s) W of Ridgely, TN.

    October 19   (s0809-y0110-m0018)
  • Region:  SE Missouri
  • Magnitude:  1.9
  • Local Time:  23:19:48
  • Location:  2 mile(s) ESE of Marston, MO.

    October 21   (s0810-y0111-m0019)
  • Region:  SE Missouri
  • Magnitude:  1.8
  • Local Time:  08:32:04
  • Location:  6 mile(s) ENE of Steele, MO.

    October 22   (s0811-y0112-m0020)
  • Region:  Arkansas
  • Magnitude:  2.6
  • Local Time:  17:42:05
  • Location:  9 mile(s) SW of Letona, AR.

    October 24   (s0812-y0113-m0021)
  • Region:  Arkansas
  • Magnitude:  2.5
  • Local Time:  04:24:43
  • Location:  2 mile(s) NNW of Greenbrier, AR.

    October 24   (s0813-y0114-m0022)
  • Region:  Arkansas
  • Magnitude:  2.6
  • Local Time:  04:10:10
  • Location:  3 mile(s) NNW of Greenbrier, AR.

    October 24   (s0814-y0115-m0023)
  • Region:  SE Missouri
  • Magnitude:  2.4
  • Local Time:  13:30:47
  • Location:  3 mile(s) S of Wyatt, MO.

    October 25   (s0815-y0116-m0024)
  • Region:  SE Missouri
  • Magnitude:  2.6
  • Local Time:  12:21:55
  • Location:  2 mile(s) WNW of Bismark, MO.

    October    (s0816-y0117-m0025)
  • Region:  Arkansas
  • Magnitude:  2.9
  • Local Time:  21:54:15
  • Location:  3 mile(s) NNW of Greenbrier, AR.

    October    (s0817-y0118-m0026)
  • Region:  Arkansas
  • Magnitude:  2.9
  • Local Time:  21:54:17
  • Location:  3 mile(s) NNW of Greenbrier, AR.

    October 26   (s0818-y0119-m0027)
  • Region:  Arkansas
  • Magnitude:  2.7
  • Local Time:  06:43:22
  • Location:  1 mile(s) W of Maynard, AR.

    October 26   (s0819-y0120-m0028)
  • Region:  Arkansas
  • Magnitude:  2.5
  • Local Time:  07:47:31
  • Location:  2 mile(s) WNW of Greenbrier, AR.

    October 26   (s0820-y0121-m0029)
  • Region:  Tennessee
  • Magnitude:  1.6
  • Local Time:  16:32:22
  • Location:  2 mile(s) SW of Ridgely, TN.

    October 27   (s0821-y0122-m0030)
  • Region:  Tennessee
  • Magnitude:  2.0
  • Local Time:  22:14:15
  • Location:  7 mile(s) NNW of Dyersburg, TN.

    October 28   (s0822-y0123-m0031)
  • Region:  SE Missouri
  • Magnitude:  1.7
  • Local Time:  17:53:23
  • Location:  2 mile(s) NE of Marston, MO.

    October 30   (s0823-y0124-m0032)
  • Region:  Arkansas
  • Magnitude:  2.4
  • Local Time:  20:51:29
  • Location:  1 mile(s) WNW of Wooster, AR.

    October 30   (s0824-y0125-m0033)
  • Region: 
  • Magnitude:  0.0
  • Local Time:  00:00:00
  • Location:  mile(s) S of , .

    November 2   (s0825-y0126-m0001)
  • Region:  Arkansas
  • Magnitude:  2.3
  • Local Time:  04:11:51
  • Location:  1 mile(s) WNW of Mammoth Spring, MO.


    November 2   (s0826-y0127-m0002)
  • Region:  Arkansas
  • Magnitude:  2.5
  • Local Time:  09:55:54
  • Location:  3 mile(s) WNW of Clinton, AR.

    November 6   (s0827-y0128-m0003)
  • Region:  Tennessee
  • Magnitude:  3.3
  • Local Time:  00:12:39
  • Location:  3 mile(s) N of Dyersburg, TN.

    November 7   (s0828-y0129-m0004)
  • Region:  SE Missouri
  • Magnitude:  1.8
  • Local Time:  04:47:07
  • Location:  2 mile(s) NNE of Marston, MO.

    November 8   (s0829-y0130-m0005)
  • Region:  SE Missouri
  • Magnitude:  1.7
  • Local Time:  18:48:48
  • Location:  5 mile(s) SE of Marston, MO.

    November 9   (s0830-y0131-m0006)
  • Region:  Arkansas
  • Magnitude:  2.5
  • Local Time:  06:44:41
  • Location:  2 mile(s) ESE of Marion, AR.

    November 9   (s0831-y0132-m0007)
  • Region:  Arkansas
  • Magnitude:  2.4
  • Local Time:  02:56:42
  • Location:  2 mile(s) WSW of Greenbrier, AR.

    November 10   (s0832-y0133-m0008)
  • Region:  SE Missouri
  • Magnitude:  1.8
  • Local Time:  23:51:44
  • Location:  1 mile(s) NNW of Marston, MO.

    November 16   (s0833-y0134-m0009)
  • Region:  SE Missouri
  • Magnitude:  1.8
  • Local Time:  11:18:54
  • Location:  4 mile(s) ESE of Marston, MO.

    November 19   (s0834-y0135-m0010)
  • Region:  Tennessee
  • Magnitude:  1.8
  • Local Time:  07:49:11
  • Location:  5 mile(s) NW of Tiptonville, TN.

    November 19   (s0835-y0136-m0011)
  • Region:  Arkansas
  • Magnitude:  2.4
  • Local Time:  23:56:31
  • Location:  8 mile(s) E of Mount Vernon, AR.

    November 22   (s0836-y0137-m0012)
  • Region:  Tennessee
  • Magnitude:  1.7
  • Local Time:  04:00:17
  • Location:  mile(s) S of , .

    November 25   (s0837-y0138-m0013)
  • Region:  Arkansas
  • Magnitude:  2.0
  • Local Time:  20:49:23
  • Location:  3 mile(s) N of Etowah, AR.

    November 27   (s0838-y0139-m0014)
  • Region:  Tennessee
  • Magnitude:  2.5
  • Local Time:  06:10:02
  • Location:  3 mile(s) SE of Ridgely, TN.

    November 28   (s0839-y0140-m0015)
  • Region:  Tennessee
  • Magnitude:  1.5
  • Local Time:  21:05:11
  • Location:  3 mile(s) NW of Tiptonville, TN.

    November 29   (s0840-y0141-m0016)
  • Region:  SE Missouri
  • Magnitude:  1.7
  • Local Time:  17:29:05
  • Location:  4 mile(s) WNW of Tiptonville, TN.

    December 4   (s0841-y0142-m0001)
  • Region:  Tennessee
  • Magnitude:  1.9
  • Local Time:  02:42:52
  • Location:  2 mile(s) NE of Ridgely, TN.

    December 4   (s0842-y0143-m0002)
  • Region:  SE Missouri
  • Magnitude:  1.6
  • Local Time:  03:15:11
  • Location:  4 mile(s) WSW of East Prairie, MO.

    December 4   (s0843-y0144-m0003)
  • Region:  Tennessee
  • Magnitude:  1.5
  • Local Time:  06:15:27
  • Location:  3 mile(s) SE of Ridgely, TN.

    December 5   (s0844-y0145-m0004)
  • Region:  Arkansas
  • Magnitude:  2.2
  • Local Time:  05:26:12
  • Location:  4 mile(s) S of Cooter, AR.

    December 7   (s0845-y0146-m0005)
  • Region:  SE Missouri
  • Magnitude:  2.2
  • Local Time:  06:50:43
  • Location:  6 mile(s) SSE of Matthews, MO.

    December 15   (s0846-y0147-m0006)
  • Region:  SE Missouri
  • Magnitude:  1.7
  • Local Time:  15:25:39
  • Location:  6 mile(s) SE of Marston, MO.

    December 18   (s0847-y0148-m0007)
  • Region:  SE Missouri
  • Magnitude:  2.5
  • Local Time:  05:38:09
  • Location:  5 mile(s) SE of Marston, MO.

    December 18   (s0848-y0149-m0008)
  • Region:  Tennessee
  • Magnitude:  3.1
  • Local Time:  05:38:08
  • Location:  6 mile(s) NW of Tiptonville, TN.

    December 18   (s0849-y0150-m0009)
  • Region:  Arkansas
  • Magnitude:  1.7
  • Local Time:  01:10:58
  • Location:  4 mile(s) WSW of Dell, AR.

    December 18   (s0850-y0151-m0010)
  • Region:  Arkansas
  • Magnitude:  1.9
  • Local Time:  01:13:39
  • Location:  4 mile(s) SE of Manila, AR.

    December 18   (s0851-y0152-m0011)
  • Region:  Tennessee
  • Magnitude:  1.6
  • Local Time:  15:09:54
  • Location:  5 mile(s) ESE of Marston, MO.

    December 24   (s0852-y0153-m0012)
  • Region:  Arkansas
  • Magnitude:  1.9
  • Local Time:  02:23:02
  • Location:  2 mile(s) SE of Cash, AR.

    December 24   (s0853-y0154-m0013)
  • Region:  Arkansas
  • Magnitude:  2.3
  • Local Time:  19:54:20
  • Location:  4 mile(s) WNW of Marked Tree, AR.



  • October 1
  • Region:  E Tennessee
  • Magnitude:  1.8
  • Local Time:  20:45:04

    October 2
  • Region:  E Tennessee
  • Magnitude:  2.5
  • Local Time:  11:28:47

    October 3
  • Region:  North Carolina
  • Magnitude:  2.5
  • Local Time:  17:44:19

    October 6
  • Region:  Virginia
  • Magnitude:  1.6
  • Local Time:  07:07:52

    October 10
  • Region:  Alabama
  • Magnitude:  1.9
  • Local Time:  00:01:56

    October 17
  • Region:  Georgia
  • Magnitude:  2.3
  • Local Time:  14:33:50

    November 1
  • Region:  E Tennessee
  • Magnitude:  3.0
  • Local Time:  12:01:26

    November 1
  • Region:  E Tennessee
  • Magnitude:  2.0
  • Local Time:  20:32:56

    November 1
  • Region:  E Tennessee
  • Magnitude:  1.5
  • Local Time:  22:10:53

    November 25
  • Region:  Virginia
  • Magnitude:  2.7
  • Local Time:  17:24:44

    November 25
  • Region:  Virginia
  • Magnitude:  2.7
  • Local Time:  22:24:45

    December 6
  • Region:  Georgia
  • Magnitude:  3.2
  • Local Time:  19:27:27

    December 16
  • Region:  Virginia
  • Magnitude:  2.2
  • Local Time:  08:20:50

    December 18
  • Region:  Virginia
  • Magnitude:  2.0
  • Local Time:  11:27:57



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