Tuesday, August 27, 2013

Magnitude 4.2 Earthquake of Spanish Springs, Nevada USA 2013 August 27

2013-08-27 00:51:43 UTC : Spanish Springs, Nevada USA EARTHQUAKE

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Magnitude: 4.2


Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2013-08-27 00:51:43 UTC


  1. 2013-08-26 17:51:43 UTC-07:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

39.669°N 119.684°W

Depth : Depth of starting Rupture 

13.9km (8.7mi)

Region : Spanish Springs, Nevada
spanish springs, nevada usa earthquake 2013 august 27

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

a) 3km (2mi) NE of Spanish Springs, Nevada

b) 11km (7mi) NE of Sun Valley, Nevada

c) 16km (10mi) NNE of Sparks, Nevada

d) 
19km (12mi) NE of Reno, Nevada

e) 
56km (35mi) N of Carson City, Nevada

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.2 ml
--
Location
39.669°N, 119.684°W
± 0.6 km
Depth
13.9 km
± 0.8 km
Number of Phase Applied1
44

Minimum Distance2
15.3 km (0.14°)

Travel Time Residual3
0.1039 sec

Azimuthal Gap4
74°

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)

Saturday, August 24, 2013

Magnitude 4.2 Earthquake of Vandenberg Air Force Base, California USA 2013 August 24

2013-08-24 01:16:31 UTC : Vandenberg Air Force Base, California USA EARTHQUAKE

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Magnitude: 4.2


Event Time: Time and Date Starting of Earthquake Rupture 

2013-08-24 01:16:31 UTC


2013-08-23 17:16:31 UTC-08:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

34.574°N 120.917°W

Depth : Depth of starting Rupture 

13.1km (8.1mi)

Region : Vandenberg Air Force Base, California

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

a) 41km (25mi) WSW of Vandenberg Air Force Base, California

b) 42km (26mi) W of Lompoc, California

c) 54km (34mi) SW of Orcutt, California

d) 
60km (37mi) SW of Santa Maria, California


e) 447km (278mi) S of Sacramento, California

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.2 Ml
± 0.20
Location
34.574°N, 120.917°W
± 2.3 km
Depth
13.1 km
± 1.7 km
Number of Phase Applied1
24

Minimum Distance2
31.0 km (0.28°)

Travel Time Residual3
0.24 sec

Azimuthal Gap4
230°

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)

Tuesday, August 20, 2013

Magnitude 4.4 Earthquake of Atka, Alaska USA 2013 August 20

2013-08-20 06:30:34 UTC : Atka, Alaska USA EARTHQUAKE

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Magnitude: 4.4


Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2013-08-20 06:30:34 UTC


  1. 2013-08-19 18:30:34 UTC-12:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

52.658°N 174.465°W

Depth : Depth of starting Rupture 

205.2km (127.5mi)

Region : Atka, Alaska
atka, alaska usa earthquake 2013 august 20

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

a) 54km (34mi) NNW of Atka, Alaska

b) 1422km (884mi) SSE of Anadyr', Russia

c) 1757km (1092mi) WSW of Anchorage, Alaska

d) 
1784km (1109mi) WSW of Knik-Fairview, Alaska

e) 
2530km (1572mi) W of Whitehorse, Canada

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.4 mb
± 0.05
Location
52.658°N, 174.466°W
± 20.8 km
Depth
205.2 km
± 6.3 km
Number of Phase Applied1
76

Minimum Distance2
54.5 km (0.49°)

Travel Time Residual3
1.24 sec

Azimuthal Gap4
71°

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 Green Valley, California USA 2013 August 20

2013-08-20 08:27:23 UTC : Green Valley, California USA EARTHQUAKE

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Magnitude: 2.6


Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2013-08-20 08:27:23 UTC


  1. 2013-08-20 01:27:23 UTC-07:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

34.722°N 118.555°W

Depth : Depth of starting Rupture 

10.0km (6.2mi)

Region : Green Valley, California
green valley, California usa earthquake 2013 august 20

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

a) 17km (11mi) NW of Green Valley, California

b) 26km (16mi) NNE of Castaic, California

c) 32km (20mi) WNW of Quartz Hill, California

d) 
36km (22mi) N of Santa Clarita, California

e) 
502km (312mi) SSE of Sacramento, California

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
2.6 Ml
± 0.20
Location
34.722°N, 118.555°W
± 0.3 km
Depth
10.0 km
± 0.6 km
Number of Phase Applied1
80

Minimum Distance2
5.0 km (0.04°)

Travel Time Residual3
0.25 sec

Azimuthal Gap4
25°

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)

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