Magnitude 3.2 Earthquake of Snyder, Texas 2014-09-14

2014-09-14 09:19:00 UTC :Snyder, Texas EARTHQUAKE

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Magnitude : 3.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-14 09:19:00 UTC

1. 2014-09-14 04:19:00 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

32.910°N 100.822°W

Depth : Depth of starting Rupture 

4.0km (2.5mi)

Region : Snyder, Texas

Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty

a)  23km (14mi) NNE of Snyder, Texas

1. 
   

b)  62km (39mi) NW of Sweetwater, Texas

1. 
   

c)  95km (59mi) NE of Big Spring, Texas

d) 114km (71mi) WNW of Abilene, Texas

e)  413km (257mi) NW of Austin, Texas

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.2 mb_lg	± 0.06
Location	32.910°N, 100.822°W	--
Depth	4.0 km	± 8.0 km
Number of Phase Applied1	64
Minimum Distance2	115.0 km (1.03°)
Travel Time Residual3	0.80 sec
Azimuthal Gap4	51°

¹Number of phase Applied: 

In determining location of hypocenter, applied number of observations on P waves and S waves. The greater the more accurate prediction of EQ.

²Minimum Distance:

 Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.

³Travel Time Residual:

 A way of measurement of fit of arrival time observed to arrival time predicted for particular location. The smaller the better fit of data.

⁴Azimuthal Gap: 

Expressed in degree; the smaller the smaller the error in horizontal positioning of EQ. Large uncertainty is considered when exceeds 180° (both depth and location)

Magnitude 2.5 Earthquake of Arlington, Texas 2014-09-13

2014-09-12 23:03:46 UTC :Arlington, Texas EARTHQUAKE

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Magnitude : 2.5

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-12 23:03:46 UTC

1. 2014-09-12 18:03:46 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

32.718°N 97.108°W

Depth : Depth of starting Rupture 

5.0km (3.1mi)

Region : Arlington, Texas

Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty

a)  1km (1mi) S of Arlington, Texas

1. 
   

b)  10km (6mi) WSW of Grand Prairie, Texas

1. 
   

c)  13km (8mi) S of Euless, Texas

d)  13km (8mi) SSE of Hurst, Texas

e)  278km (173mi) NNE of Austin, Texas

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.5 mb_lg	± 0.18
Location	32.718°N, 97.108°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	15
Minimum Distance2	50.5 km (0.45°)
Travel Time Residual3	1.20 sec
Azimuthal Gap4	69°

¹Number of phase Applied: 

In determining location of hypocenter, applied number of observations on P waves and S waves. The greater the more accurate prediction of EQ.

²Minimum Distance:

 Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.

³Travel Time Residual:

 A way of measurement of fit of arrival time observed to arrival time predicted for particular location. The smaller the better fit of data.

⁴Azimuthal Gap: 

Expressed in degree; the smaller the smaller the error in horizontal positioning of EQ. Large uncertainty is considered when exceeds 180° (both depth and location)

Magnitude 2.9 Earthquake of Irving, Texas 2014-09-11

2014-09-11 08:21:59 UTC : Irving, Texas EARTHQUAKE

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Magnitude : 2.9

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-11 08:21:59 UTC

1. 2014-09-11 03:21:59 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

32.847°N 96.952°W

Depth : Depth of starting Rupture 

5.0km (3.1mi)

Region : Irving, Texas

Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty

a)  3km (2mi) N of Irving, Texas

b)  10km (6mi) SSW of Farmers Branch, Texas

c)  12km (7mi) NNE of Grand Prairie, Texas

d)  12km (7mi) E of Euless, Texas

e)  295km (183mi) S of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.9 mb_lg	± 0.08
Location	32.848°N, 96.952°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	48
Minimum Distance2	58.1 km (0.52°)
Travel Time Residual3	1.17 sec
Azimuthal Gap4	64°

¹Number of phase Applied: 

In determining location of hypocenter, applied number of observations on P waves and S waves. The greater the more accurate prediction of EQ.

²Minimum Distance:

 Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.

³Travel Time Residual:

 A way of measurement of fit of arrival time observed to arrival time predicted for particular location. The smaller the better fit of data.

⁴Azimuthal Gap: 

Expressed in degree; the smaller the smaller the error in horizontal positioning of EQ. Large uncertainty is considered when exceeds 180° (both depth and location)

Magnitude 2.7 Earthquake of Van Horn, Texas USA 2013 May 14

2013-05-14 00:05:39 UTC : Van Horn, Texas USA EARTHQUAKE

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Magnitude: 2.7

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-14 00:05:39 UTC

2013-05-13 19:05:39 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

31.128°N 104.746°W

Depth : Depth of starting Rupture 

4.3km (2.7mi)

Region : Van Horn, Texas

Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty

a) 12km (7mi) NE of Van Horn, Texas

b) 151km (94mi) SSW of Carlsbad, New Mexico

c) 152km (94mi) ESE of Horizon City, Texas

d) 153km (95mi) ESE of San Elizario, Texas

e) 517km (321mi) SSE of Santa Fe, New Mexico

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.7 mb_Lg	--
Location	31.128°N, 104.746°W	± 14.1 km
Depth	4.3 km	± 5.0 km
Number of Phase Applied1	12
Minimum Distance2	87.9 km (0.79°)
Travel Time Residual3	0.69 sec
Azimuthal Gap4	147°

¹Number of phase Applied: 

In determining location of hypocenter, applied number of observations on P waves and S waves. The greater the more accurate prediction of EQ.

²Minimum Distance:

 Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.

³Travel Time Residual:

 A way of measurement of fit of arrival time observed to arrival time predicted for particular location. The smaller the better fit of data.

⁴Azimuthal Gap: 

Expressed in degree; the smaller the smaller the error in horizontal positioning of EQ. Large uncertainty is considered when exceeds 180° (both depth and location)

Magnitude 2.6 Earthquake of WESTERN TEXAS USA 2013 May 06

2013 May 06 13:08:04 UTC : WESTERN TEXAS USA EARTHQUAKE

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Magnitude: 2.6

Date-Time: Monday, May 06, 2013 at 13:08:04 UTC

Monday, May 06, 2013 at 08:08:04 AM at epicenter

Earthquake data:

Location : 32.946°N, 100.796°W

Depth : 5 km (3.1 miles) set by location program

Region : WESTERN TEXAS

Distances:

a) 27 km (16 miles) NNE of Snyder, Texas

b) 64 km (39 miles) NW of Sweetwater, Texas

c) 100 km (62 miles) NE of Big Spring, Texas

c) 114 km (70 miles) WNW of Abilene, Texas

Location Uncertainty: horizontal +/- 6.6 km (4.1 miles); depth fixed by location program

Parameters: NST= 14, Nph= 14, Dmin=113.8 km, Rmss=0.55 sec, Gp= 65°, M-type="Nuttli" surface wave magnitude (mbLg), Version=5