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


July 11

  • Region:  Umnak Island
  • Activity:  Okmok Vocano Erupts
  • Note:  No Lava Spewed yet

    July 21

  • Region:  Aleutians
  • Volcano Eruption:  Mount Cleveland

    July 24

  • Region:  Rat Islands, Aleutian Islands
  • Magnitude:  5.8
  • Local Time:  15:29:27

    July 30

  • Region:  Northern AK
  • Magnitude:  4.6
  • Local Time:  06:55:30

    August 03

  • Region:  Southeastern Alaska
  • Magnitude:  4.5
  • Local Time:  01:44:26

    August 07

  • Region:  Andreanof Islands
  • Magnitude:  5.8
  • Local Time:  09:30:03

    September 18

  • Region:  Southern Alaska
  • Magnitude:  4.8
  • Local Time:  11:43:52

    September 18

  • Region:  Southern Alaska
  • Magnitude:  4.7
  • Local Time:  11:43:53

    September 24

  • Region:  Central Alaska
  • Magnitude:  4.5
  • Local Time:  04:19:52



  • July 17

  • Region:  Oregon (Off Coast)
  • Magnitude:  5.2
  • Local Time:  13:36:19

    July 17

  • Region:  Oregon (Off Coast)
  • Magnitude:  5.6
  • Local Time:  13:51:56

    July 18

  • Region:  Oregon (Off Coast)
  • Magnitude:  4.7
  • Local Time:  16:00:24

    August 16

  • Region:  Northern California
  • Magnitude:  4.5
  • Local Time:  22:56:59

    September 11

  • Region:  Off Coast of Washington
  • Magnitude:  4.5
  • Local Time:  12:17:32

    September 11

  • Region:  Off Coast of Washington
  • Magnitude:  4.6
  • Local Time:  14:13:36

    September 11

  • Region:  Off Coast of Washington
  • Magnitude:  4.8
  • Local Time:  14:26:29



  • July 29

  • Region:   Los Angeles, CA
  • Magnitude:  5.6 M
  • Local Time:  11:42:15



  • July 04

  • Region:  Island of Hawaii
  • Magnitude:  4.5
  • Local Time:  16:20:09





  • July 05  (0631-0141-0001)

  • Region:   Arkansas
  • Magnitude:  2.7 Mcd
  • Local Time:  01:58:02
  • Location:  1 mile(s) SE of Dell, AR.

    July 10   (0632-0142-0002)

  • Region:   Tennessee
  • Magnitude:  1.6 Mcd
  • Local Time:  00:45:16
  • Location:  5 mile(s) NNW of Tiptonville, TN.

    July 13   (0633-0143-0003)

  • Region:   Southeast Missouri
  • Magnitude:  1.6 Mcd
  • Local Time:  07:46:44
  • Location:  1 mile(s) N of Howardville, MO.

    July 17   (0634-0144-0004)

  • Region:   Southeast Missouri
  • Magnitude:  1.6 Mcd
  • Local Time:  18:55:31
  • Location:  1 mile(s) SSW of Howardville, MO.

    July 17   (0635-0145-0005)

  • Region:   Illinois
  • Magnitude:  3.1 Mcd
  • Local Time:  21:58:55
  • Location:  5 mile(s) NW of Mount Carmel, IL.

    July 24   (0636-0146-0006)

  • Region:   Southeast Missouri
  • Magnitude:  1.7 Mcd
  • Local Time:  15:11:52
  • Location:  0 mile(s) NNW of Howardville, MO.

    July 28   (0637-0147-0007)

  • Region:   Tennessee
  • Magnitude:  1.5 Mcd
  • Local Time:  05:39:26
  • Location:  6 mile(s) NW of Tiptonville, TN.

    August 03   (0638-0148-0001)

  • Region:   Tennessee
  • Magnitude:  1.8 Mcd
  • Local Time:  12:35:48
  • Location:  4 mile(s) NNW of Dyersburg, TN.

    August 05   (0639-0149-0002)

  • Region:   Tennessee
  • Magnitude:  2.6 Mcd
  • Local Time:  17:04:33
  • Location:  6 mile(s) SSW of Tiptonville, TN.

    August 06   (0640-0150-0003)

  • Region:   Arkansas
  • Magnitude:  2.1 Mcd
  • Local Time:  13:31:16
  • Location:  4 mile(s) SSW of Holland, MO.

    August 13   (0641-0151-0004)

  • Region:   Southeast Missouri
  • Magnitude:  1.9 Mcd
  • Local Time:  21:41:36
  • Location:  4 mile(s) SSE of Pinhook, MO.

    August 14   (0642-0152-0005)

  • Region:   Southeast Missouri
  • Magnitude:  1.9 Mcd
  • Local Time:  21:01:57
  • Location:  4 mile(s) SSE of Howardville, MO.

    August 16   (0643-0153-0006)

  • Region:   Tennessee
  • Magnitude:  1.6 Mcd
  • Local Time:  12:57:49
  • Location:  4 mile(s) SSW of Tiptonville, TN.

    August 18   (0644-0154-0007)

  • Region:   Arkansas
  • Magnitude:  1.9 Mcd
  • Local Time:  04:26:09
  • Location:  4 mile(s) NW of Victoria, AR.

    August 18   (0645-0155-0008)

  • Region:   Mississippi
  • Magnitude:  2.6 Mcd
  • Local Time:  20:47:57
  • Location:  7 mile(s) NE of Red Bay, MS.

    August 20   (0646-0156-0009)

  • Region:   Arkansas
  • Magnitude:  2.6 Mcd
  • Local Time:  22:36:13
  • Location:  8 mile(s) E of Haynes, AR.

    August 20   (0647-0157-0010)

  • Region:   Arkansas
  • Magnitude:  2.7 Mcd
  • Local Time:  23:35:05
  • Location:  4 mile(s) S of Holland, MO.

    August 20   (0648-0158-0011)

  • Region:   Southeast Missouri
  • Magnitude:  1.9 Mcd
  • Local Time:  23:42:51
  • Location:  1 mile(s) NE of Marston, MO.

    August 23   (0649-0159-0012)

  • Region:   Arkansas
  • Magnitude:  2.6 Mcd
  • Local Time:  07:06:02
  • Location:  6 mile(s) NNE of Hardy, AR.

    August 27   (0650-0160-0013)

  • Region:   Tennessee
  • Magnitude:  1.5 Mcd
  • Local Time:  07:05:37
  • Location:  6 mile(s) NW of Tiptonville, TN.

    August 29   (0651-0161-0014)

  • Region:   Illinois
  • Magnitude:  2.6 Mcd
  • Local Time:  19:46:00
  • Location:  4 mile(s) ESE of East Cape Girardeau, IL.

    September 08   (0652-0162-0015)

  • Region:   Tennessee
  • Magnitude:  1.7 Mcd
  • Local Time:  19:44:29
  • Location:  3 mile(s) WNW of Tiptonville, TN.

    September 08   (0653-0163-0016)

  • Region:   Tennessee
  • Magnitude:  1.8 Mcd
  • Local Time:  23:11:39
  • Location:  4 mile(s) NNW of Tiptonville, TN.

    September 09   (0654-0164-0017)

  • Region:   Southeast Missouri
  • Magnitude:  1.5 Mcd
  • Local Time:  03:32:10
  • Location:  6 mile(s) NW of Tiptonville, TN.

    September 09   (0655-0165-0018)

  • Region:   Tennessee
  • Magnitude:  1.5 Mcd
  • Local Time:  21:39:56
  • Location:  2 mile(s) SE of Ridgely, TN.

    September 11   (0656-0166-0019)

  • Region:   Southeast Missouri
  • Magnitude:  1.9 Mcd
  • Local Time:  20:32:07
  • Location:  6 mile(s) SW of Caruthersbille, MO.

    September 17   (0657-0167-0020)

  • Region:   Eastern Tennessee
  • Magnitude:  1.6 Mcd
  • Local Time:  01:26:56
  • Location:  6 mile(s) NW of Lenoir City, TN.

    September 24   (0658-0168-0021)

  • Region:   Arkansas
  • Magnitude:  2.5 Mcd
  • Local Time:  10:20:02
  • Location:  5 mile(s) NNW of Quitman, AR.

    September 28   (0659-0169-0022)

  • Region:   Southeast Missouri
  • Magnitude:  1.7 Mcd
  • Local Time:  07:17:17
  • Location:  1 mile(s) NNW of Marston, MO.

    September 28   (0660-0160-0023)

  • Region:   Southeast Missouri
  • Magnitude:  1.9 Mcd
  • Local Time:  08:29:54
  • Location:  2 mile(s) WNW of Marston, MO.

    September 29   (0661-0161-0024)

  • Region:   Southeast Missouri
  • Magnitude:  1.9 Mcd
  • Local Time:  08:29:54
  • Location:  2 mile(s) WNW of Marston, MO.

    September 29   (0662-0162-0025)

  • Region:   Southeast Missouri
  • Magnitude:  1.9 Mcd
  • Local Time:  22:02:47
  • Location:  5 mile(s) WNW of Tiptonville, TN.

    September 30   (0663-0163-0026)

  • Region:   Southeast Missouri
  • Magnitude:  2.6 Mcd
  • Local Time:  23:37:02
  • Location:  4 mile(s) S of Catron, MO.







  • July 05

  • Region:  Eastern Tennessee
  • Magnitude:  2.0
  • Local Time:  01:14:57

    July 18

  • Region:  Alabama
  • Magnitude:  2.3
  • Local Time:  14:01:47

    July 20

  • Region:  Alabama
  • Magnitude:  1.6
  • Local Time:  21:12:30

    July 23

  • Region:  Alabama
  • Magnitude:  2.1
  • Local Time:  05:03:43

    July 28

  • Region:  Eastern Tennessee
  • Magnitude:  2.1
  • Local Time:  16:03:41

    August 01

  • Region:  Alabama
  • Magnitude:  2.3
  • Local Time:  20:41:19

    August 12

  • Region:  Alabama
  • Magnitude:  2.2
  • Local Time:  22:39:59

    August 15

  • Region:  Eastern Tennessee
  • Magnitude:  1.9
  • Local Time:  23:16:28

    August 16

  • Region:  Eastern Tennessee
  • Magnitude:  2.1
  • Local Time:  05:05:26

    August 17

  • Region:  Eastern Tennessee
  • Magnitude:  1.5
  • Local Time:  23:00:20

    August 28

  • Region:  Eastern Tennessee
  • Magnitude:  2.3
  • Local Time:  07:46:46

    September 30

  • Region:  Eastern Tennessee
  • Magnitude:  2.0
  • Local Time:  10:28:44




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