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

ALASKA
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
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
HAWAII
NEW ENGLAND STATES
CT, MA, ME, NH, RI, VT
NORTH WEST STATES
CA[n], ID, OR, MT[w], WA
SOUTH WEST STATES
AZ, CA[s], NV, UT
HAWAII
MISC


July 06

  • Region:  Andreanof Island in the Aleutian Islands
  • Magnitude:  6.0
  • Local Time:  16:48:27

    July 12

  • Region:  Southern Alaska
  • Magnitude:  4.6
  • Local Time:  21:38:54

    July 13

  • Region:  Andreanof Islands, Aleutian Islands
  • Magnitude:  6.3
  • Local Time:  12:54:47

    July 15

  • Region:  Fox Island, Aleutian Islands
  • Magnitude:  6.1
  • Local Time:  05:08:01

    July 15

  • Region:  Fos Island, Aleutian Islands
  • Magnitude:  5.7
  • Local Time:  05:26:15

    August 01

  • Region:  Andreanof Island, Aleutians
  • Magnitude:  6.9
  • Local Time:  18:21:46

    August 02

  • Region:  Northern Alaska
  • Magnitude:  4.8
  • Local Time:  00:48:36

    August 15

  • Region:  Andreanof Islands, Aleutian Islands
  • Magnitude:  6.5
  • Local Time:  11:22:13

    August 15

  • Region:  Andreanof Islands, Aleutian Islands
  • Magnitude:  5.8
  • Local Time:  19:03:05

    September 02

  • Region:  Kodiak Island
  • Magnitude:  4.9
  • Local Time:  17:01:50

    September 02

  • Region:  Kodiak Island
  • Magnitude:  4.9
  • Local Time:  17:01:54

    September 19

  • Region:  Southern Alaska
  • Magnitude:  4.6
  • Local Time:  03:22:24





  • July 04   (0395-0101-0001)

  • Region:  Southeast Missouri
  • Magnitude:  1.7 Mcd
  • Local Time:  18:49:34
  • Location:  3.0 mile(s) ESE of Marston, MO.

    July 07   (0395-0102-0002)

  • Region:  Southeast Missouri
  • Magnitude:  1.5 Mcd
  • Local Time:  07:20:46
  • Location:  4.0 mile(s) SE of Marston, MO.

    July 08   (0396-0103-0003)

  • Region:  Marston, Missouri
  • Magnitude:  2.3 Mcd
  • Local Time:  00:53:43
  • Location:  5.0 mile(s) SE of Marston, MO.

    July 09   (0397-0104-0004)

  • Region:  Western Tennessee
  • Magnitude:  2.4 Mcd
  • Local Time:  01:51:04
  • Location:  1.0 mile(s) NNW of Ridgely, TN.

    July 11   (0398-0105-0005)

  • Region:  Western Tennessee
  • Magnitude:  1.6 Mcd
  • Local Time:  22:11:30
  • Location:  2.0 mile(s) NNE of Ridgely, TN.

    July 12   (0399-0106-0006)

  • Region:  Arkansas
  • Magnitude:  2.0 Mcd
  • Local Time:  05:41:01
  • Location:  5.0 mile(s) ENE of Caraway, AR.

    July 12   (0400-0107-0007)

  • Region:  Arkansas
  • Magnitude:  1.7 Mcd
  • Local Time:  05:43:47
  • Location:  4.0 mile(s) NE of Caraway, AR.

    July 13   (0401-0108-0008)

  • Region:  Arkansas
  • Magnitude:  1.9 Mcd
  • Local Time:  05:43:52
  • Location:  5.0 mile(s) ENE of Caraway, AK.

    July 13   (0402-0109-0009)

  • Region:  Arkansas
  • Magnitude:  2.2 Mcd
  • Local Time:  14:08:33
  • Location:  2.0 mile(s) NNE of Etowah, AR.

    July 16   (0403-0110-0010)

  • Region:  Tennessee
  • Magnitude:  1.5 Mcd
  • Local Time:  02:06:04
  • Location:  3.0 mile(s) NW of Tiptonville, MO.

    July 21   (0404-0111-0011)

  • Region:  Tennessee
  • Magnitude:  1.8 Mcd
  • Local Time:  06:39:33
  • Location:  6.0 mile(s) NW of Tiptonville, TN.

    July 23   (0405-0112-0012)

  • Region:  Southeast Missouri
  • Magnitude:  1.6 Mcd
  • Local Time:  04:38:30
  • Location:  3.0 mile(s) NW of Marston, MO.

    July 30   (0406-0113-0013)

  • Region:  Western Tennessee
  • Magnitude:  1.5 Mcd
  • Local Time:  16:22:26
  • Location:  2.0 mile(s) SSW of Ridgely, TN.

    August 03   (0407-0114-0001)

  • Region:   Western Tennessee
  • Magnitude:  1.8 Mcd
  • Local Time:  07:01:31
  • Location:  3.0 mile(s) NW of Ridgely, TN.

    August 03   (0408-0115-0002)

  • Region:   Southeast Missouri
  • Magnitude:  1.8 Mcd
  • Local Time:  23:27:54
  • Location:  4.0 mile(s) ESE of Marston, MO.

    August 06   (0409-0116-0003)

  • Region:   Southeast Missouri
  • Magnitude:  2.0 Mcd
  • Local Time:  19:20:22
  • Location:  2.0 mile(s) ENE of North Lilbourn, MO.

    August 10   (0410-0117-0004)

  • Region:   Western Tennessee
  • Magnitude:  1.5 Mcd
  • Local Time:  16:45:47
  • Location:  3.0 mile(s) ESE of Ridgely, TN.

    August 13   (0411-0118-0005)

  • Region:   Southeast Missouri
  • Magnitude:  1.8 Mcd
  • Local Time:  03:05:49
  • Location:  4.0 mile(s) E of Risco, MO.

    August 14   (0412-0119-0006)

  • Region:   Southeastern Missouri
  • Magnitude:  1.6 Mcd
  • Local Time:  20:44:23
  • Location:  5.0 mile(s) ESE of Marston, MO.

    August 00   (0413-0120-0007)

  • Region:   Arkansas
  • Magnitude:  1.8 Mcd
  • Local Time:  03:56:31
  • Location:  4.0 mile(s) SSW of Caraway, AR.

    August 18   (0414-0121-0008)

  • Region:   Tenessee
  • Magnitude:  1.6 Mcd
  • Local Time:  05:23:57
  • Location:  3.0 mile(s) S of New Madrid, MO.

    August 19   (0415-0122-0009)

  • Region:   Arkansas
  • Magnitude:  2.1 Mcd
  • Local Time:  03:07:40
  • Location:  5.0 mile(s) N of Lepanto, AR.

    August 21   (0416-0123-0010)

  • Region:   Southeast Missouri
  • Magnitude:  1.6 Mcd
  • Local Time:  00:31:12
  • Location:  5.0 mile(s) SE of Marston, MO.

    August 31   (0417-0124-0011)

  • Region:   Southeast Missouri
  • Magnitude:  2.2 Mcd
  • Local Time:  05:51:06
  • Location:  5.0 mile(s) SSE of Pinhook, MO.

    September 02   (0418-0125-0001)

  • Region:   Western Tennessee
  • Magnitude:  2.0 Mcd
  • Local Time:  19:40:19
  • Location:  3.0 mile(s) SSW of Hornbeak, TN.

    September 03   (0419-0126-0002)

  • Region:   Western Tennessee
  • Magnitude:  1.8 Mcd
  • Local Time:  02:03:05
  • Location:  3.0 mile(s) NNW of Tiptonville, TN.

    September 00   (0420-0127-0003)

  • Region:   Western Tenessee
  • Magnitude:  1.9 Mcd
  • Local Time:  10:42:47
  • Location:  4.0 mile(s) NW of Dyersburg, TN.

    September 03   (0421-0128-0004)

  • Region:   Western Tennessee
  • Magnitude:  2.6 Mcd
  • Local Time:  10:58:30
  • Location:  2.0 mile(s) ENE of Tiptonville, TN.

    September 03   (0422-0129-0005)

  • Region:   Arkansas
  • Magnitude:  2.5 Mcd
  • Local Time:  23:18:23
  • Location:  7.0 mile(s) NW of Smithville, AR.

    September 04   (0423-0130-0006)

  • Region:   Western Tennessee
  • Magnitude:  1.6 Mcd
  • Local Time:  21:43:22
  • Location:  40 mile(s) S of Ridgely, TN.

    September 04   (0424-0131-0007)

  • Region:   Western Tennessee
  • Magnitude:  1.5 Mcd
  • Local Time:  17:21:54
  • Location:  4.0 mile(s) S of Ridgely, TN.

    September 06   (0425-0132-0008)

  • Region:   Southeast Missouri
  • Magnitude:  1.6 Mcd
  • Local Time:  06:20:31
  • Location:  4.0 mile(s) ESE of Marston, MO.

    September 07   (0426-0133-0009)

  • Region:   Arkansas
  • Magnitude:  3.1 Mcd
  • Local Time:  05:40:47
  • Location:  2.0 mile(s) SSE of Harrison, AR.

    September 07   (0427-0134-0010)

  • Region:   Arkansas
  • Magnitude:  2.9 Mcd
  • Local Time:  08:49:09
  • Location:  2.0 mile(s) S of Newark, AR.

    September 10   (0428-0135-0011)

  • Region:   Southeast Missouri
  • Magnitude:  1.7 Mcd
  • Local Time:  21:23:13
  • Location:  5.0 mile(s) ESE of Marston, MO.

    September 11   (0429-0136-0012)

  • Region:   Southeast Missouri
  • Magnitude:  1.8 Mcd
  • Local Time:  19:17:04
  • Location:  3.0 mile(s) NW of Marston, MO.

    September 11   (0430-0137-0013)

  • Region:   Southeast Missouri
  • Magnitude:  1.8 Mcd
  • Local Time:  20:28:44
  • Location:  3.0 mile(s) NW of Marston, MO.

    September 14   (0431-0138-0014)

  • Region:   Western Kentucky
  • Magnitude:  2.6 Mcd
  • Local Time:  04:24:33
  • Location:  3.0 mile(s) NNW of Blandville, KY.

    September 16   (0432-0139-0015)

  • Region:   Western Tennessee
  • Magnitude:  1.8 Mcd
  • Local Time:  10:33:17
  • Location:  6.0 mile(s) NW of Tiptonville, TN.

    September 17   (0433-0140-0016)

  • Region:   Tennessee
  • Magnitude:  1.6 Mcd
  • Local Time:  09:34:21
  • Location:  6.0 mile(s) NNW of Tiptonville, TN.

    September 17   (0434-0141-0017)

  • Region:   Tennessee
  • Magnitude:  2.2 Mcd
  • Local Time:  09:34:21
  • Location:  6.0 mile(s) NNW of Tiptonville, TN.

    September 17   (0435-0142-0018)

  • Region:   Southeast Misosuri
  • Magnitude:  1.7 Mcd
  • Local Time:  23:34:04
  • Location:  3.0 mile(s) NW of Marston, MO.

    September 18   (0436-0143-0019)

  • Region:   Southeast Missouri
  • Magnitude:  2.2 Mcd
  • Local Time:  22:56:32
  • Location:  3.0 mile(s) NE of Malden, MO.

    September 21   (0437-0144-0020)

  • Region:   Western Tennessee
  • Magnitude:  1.7 Mcd
  • Local Time:  23:27:26
  • Location:  2.0 mile(s) NE of Ridgely, TN.

    September 22   (0438-0145-0021)

  • Region:   Southeast Missouri
  • Magnitude:  1.6 Mcd
  • Local Time:  00:26:57
  • Location:  5.0 mile(s) ESE of Marston, MO.

    September 24   (0439-0146-0022)

  • Region:   Southeast Missouri
  • Magnitude:  1.5 Mcd
  • Local Time:  15:11:40
  • Location:  6.0 mile(s) N of Madrid, MO.





  • July 08

  • Region:  North Carolina
  • Magnitude:  1.6
  • Local Time:  16:08:37

    July 08

  • Region:  Eastern Tennessee
  • Magnitude:  1.7
  • Local Time:  18:40:11

    July 16

  • Region:  Eastern Kentucky
  • Magnitude:  2.3
  • Local Time:  22:49:21

    July 19

  • Region:  Georgia
  • Magnitude:  2.5
  • Local Time:  11:11:05

    August 04

  • Region:  North Carolina
  • Magnitude:  2.8
  • Local Time:  06:04:45

    August 04

  • Region:  North Carolina
  • Magnitude:  2.8
  • Local Time:  06:04:46

    August 05

  • Region:  Virginia
  • Magnitude:  2.1
  • Local Time:  03:20:46

    August 09

  • Region:  Eastern Tenessee
  • Magnitude:  1.6
  • Local Time:  20:30:29

    August 11

  • Region:  Eastern Tennessee
  • Magnitude:  2.0
  • Local Time:  17:24:02

    August 16

  • Region:  Alabama
  • Magnitude:  2.1
  • Local Time:  06:08:52

    September 10

  • Region:  Eastern Tennessee
  • Magnitude:  1.6
  • Local Time:  14:01:16

    September 15

  • Region:  Eastern Tennessee
  • Magnitude:  1.5
  • Local Time:  20:27:38







  • July 26

  • Region:  Off Coast of Oregon
  • Magnitude:  4.7
  • Local Time:  19:37:47

    July 26

  • Region:  Off Coast of Oregon
  • Magnitude:  4.7
  • Local Time:  19:45:27

    July 27

  • Region:  Off Coast of Oregon
  • Magnitude:  5.1
  • Local Time:  17:22:48

    July 27

  • Region:  Off Coast of Oregon
  • Magnitude:  4.6
  • Local Time:  18:02:17

    July 27

  • Region:  Off Coast of Oregon
  • Magnitude:  4.9
  • Local Time:  18:30:29



  • August 05

  • Region:  Nevada
  • Magnitude:  4.5
  • Local Time:  22:59:45

    August 06

  • Region:  Utah
  • Magnitude:  4.5
  • Local Time:  02:48:40

    August 09

  • Region:  Los Angeles, CA
  • Magnitude:  4.5
  • Local Time:  00:58:49

    September 02

  • Region:  Southern California
  • Magnitude:  4.7
  • Local Time:  10:29:14



  • August 13

  • Region:  Island of Hawaii
  • Magnitude:  5.3
  • Local Time:  19:38:06




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