Recent unusual active ground motion in North America, as of 2015/06/13

[Kojima]

Some stations in North America have been recently showing unusual active ground motion.

I show the image of ground motion from REV at each of these seven stations.

REV: http://rev.seis.sc.edu/stations.html

Note: Only the last 10-day image of ground motion is available in the REV site. 

(1) Code, Name and Location of station:

1) CN.SCHQ; SCHEFFERVILLE, PQ; 54.83 N, 66.83 W

2) WU.PEMO; Pembroke, Ontario, Canada; 45.68 N, 77.25 W

3) TA.G59A; Clarenceville, QC, USA; 45.08 N, 73.18 W

4) TA.X43A; Marvell, AR, USA; 34.52 N, 90.88 W

5) US.NATX; Nacogdoches, Texas, USA; 31.76 N, 94.66 W

6) IU.HKT; Hockley, Texas; 29.96 N, 95.84 W

7) CN.VIB; VAN INLET, BC; 53.25 N, 132.54 W

(2) Some representative images of ground motion:

1) CN.SCHQ: Quebec

1-1) [2015/01/03 - 2015/01/31], 1-2) [2015/02/01 - 2015/02/28], 1-3) [2015/03/01 - 2015/03/30]

1-4) [2015/04/01 - 2015/04/23]

1-5) [2015/05/22 - 2015/06/13]

2) WU.PEMO: Ontario

2-1) [2015/04/27 -2015/06/13]

3) TA.G59A: Quebec

3-1) [2015/02/03 - 2015/02/09]

3-2) [2015/02/17 - 2015/02/23]

3-3) [2015/02/24 - 2015/03/22]

3-4) [2015/03/23 - 2015/04/04]

3-5) [2015/04/05 - 2015/04/11]

3-6) [2015/04/12 - 2015/04/20]

3-7) [2015/04/21 - 2015/05/11]

3-8) [2015/05/12 - 2015/05/18]

3-9) [2015/05/19 - 2015/06/09]

3-10) [2015/06/10 - 2015/06/13]

4) TA.X43A: Arkansas

4-1) [2015/05/26 - 2015/05/31]

4-2) [2015/06/01 - 2015/06/13]

5) US.NATX: Texas

5-1) [2015/04/27 - 2015/05/16], 5-2) [2015/05/25 - 2015/06/13]

6) IU.HKT: Texas

6-1) [2015/06/01 - 2015/06/13]

7) CN.VIB: British Columbia

7-1) [2015/06/08 - 2015/06/13]

======================================================

(3) Image of ground motion:

1) CN.SCHQ: Quebec

1-1) [2015/01/03 - 2015/01/31]

1-2) [2015/02/01 - 2015/02/28]

1-3) [2015/03/01 - 2015/03/30]

1-4) [2015/04/01 - 2015/04/23]

1-5) [2015/05/22 - 2015/06/13]

————————————————————————

2) WU.PEMO: Ontario

2-1) [2015/04/27 -2015/06/13]

————————————————————————

3) TA.G59A: Quebec

3-1) [2015/02/03 - 2015/02/09]

3-2) [2015/02/17 - 2015/02/23]

3-3) [2015/02/24 - 2015/03/22]

3-4) [2015/03/23 - 2015/04/04]

3-5) [2015/04/05 - 2015/04/11]

3-6) [2015/04/12 - 2015/04/20]

3-7) [2015/04/21 - 2015/05/11]

3-8) [2015/05/12 - 2015/05/18]

3-9) [2015/05/19 - 2015/06/09]

3-10) [2015/06/10 -2015/06/13]

————————————————————————

4) TA.X43A: Arkansas

4-1) [2015/05/26 - 2015/05/31]

4-2) [2015/06/01 - 2015/06/13]

————————————————————————

5) US.NATX: Texas

5-1) [2015/04/27 - 2015/05/16]

5-2) [2015/05/25 - 2015/06/13]

————————————————————————

6) IU.HKT: Texas

6-1) [2015/06/01 - 2015/06/13]

————————————————————————

7) CN.VIB: British Columbia

7-1) [2015/06/08 - 2015/06/13]

[Kojima]

23) NN.PRN; Pahroc Range, Nevada. (GPS 12/04/2000) w84; 37.41 N, 115.05 W

http://rev.seis.sc.edu/stations/?zip_or_station_code=NN.PRN

23-3) [2015/12/04 - 12/16]

[Kojima]

27) LD.PRNY; Paleontological Research Institution, Ithaca, NY; 42.47 N, 76.54 W

http://rev.seis.sc.edu/stations/?zip_or_station_code=LD.PRNY

27-1) [2015/12/08 - 12/16]

[Kojima]

26) RV.LGPLA; Lodgepole, Alberta, CAN; 53.12 N, 115.36 W

http://rev.seis.sc.edu/stations/?zip_or_station_code=RV.LGPLA

26-1) [2015/11/27 - 12/04]

[Kojima]

25) NN.BEK; Beckworth, California w84; 39.87 N, 120.36 W

http://rev.seis.sc.edu/stations/?zip_or_station_code=NN.BEK

25-1) [2015/11/30 - 12/04]

[Kojima]

23) NN.PRN; Pahroc Range, Nevada. (GPS 12/04/2000) w84; 37.41 N, 115.05 W

http://rev.seis.sc.edu/stations/?zip_or_station_code=NN.PRN

23-2) [2015/11/30 - 12/03]

[Kojima]

24) AZ.KNW; Keenwild Fire Station, Mountain Center, CA, USA; 33.71 N, 116.71 W

http://rev.seis.sc.edu/stations/?zip_or_station_code=AZ.KNW

24-1) [2015/08/11, 09/04 - 09/06]

24-2) [2015/10/21 - 10/26]

24-3) [2015/11/18 - 12/01]

[Kojima]

23) NN.PRN; Pahroc Range, Nevada. (GPS 12/04/2000) w84; 37.41 N, 115.05 W

http://rev.seis.sc.edu/stations/?zip_or_station_code=NN.PRN

23-1) [2015/11/24 -11/29]

[Kojima]

22) WU.DRCO; St. Marys Cement, Ontario, Canada; 43.88 N, 78.70 W

22-1) [2015/08/01 - 10/16]

22-2) [2015/11/16 - 11/25]

[Kojima]

21) TA/N4.I49A; Point Hope, MI, USA; 43.94 N, 82.82 W

21-1) [2014/05/27 - 07/01]

See also; 

* Bow stress in the North America caused a characteristic underground motion around Michigan

* Bow stress in the west along St. Lawrence Seaway on June 30, 2014

21-2) [2015/08/15 - 11/01]

[Kojima]

20) CN.ORIO; Orleans, Innes Road, ON; 45.45 N, 75.51 W

20-1) [2015/10/18 - 11/08]