Magnitude 5.4 Earthquake of Las Heras, Argentina 2013 July 22

2013-07-22 00:03:14 UTC : Las Heras, Argentina EARTHQUAKE

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Magnitude: 5.4

Event Time: Time and Date Starting of Earthquake Rupture 

2013-07-22 00:03:14 UTC

2013-07-21 21:03:14 UTC-03:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

47.021°S 69.752°W

Depth : Depth of starting Rupture 

21.1km (13.1mi)

Region : Las Heras, Argentina

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

a) 81km (50mi) SW of Las Heras, Argentina

b) 139km (86mi) W of Pico Truncado, Argentina

c) 181km (112mi) WSW of Caleta Olivia, Argentina

d) 215km (134mi) SW of Comodoro Rivadavia, Argentina

e) 1007km (626mi) WNW of Stanley, Falkland Islands

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.4 mb	± 0.09
Location	47.021°S, 69.752°W	± 144.0 km
Depth	21.1 km	± 28.0 km
Number of Phase Applied1	44
Minimum Distance2	8510.3 km (76.45°)
Travel Time Residual3	1.40 sec
Azimuthal Gap4	258°

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 5.6 Earthquake of Chabu, China 2013 July 22

2013-07-22 01:12:35 UTC : Chabu, China EARTHQUAKE

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Magnitude: 5.6

Event Time: Time and Date Starting of Earthquake Rupture 

2013-07-22 01:12:35 UTC

2013-07-22 09:12:35 UTC+08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

34.569°N 104.127°E

Depth : Depth of starting Rupture 

10.1km (6.3mi)

Region : Chabu, China

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

a) 9km (6mi) NNE of Chabu, China

b) 141km (88mi) SE of Linxia, China

c) 162km (101mi) W of Beidao, China

d) 167km (104mi) S of Lanzhou, China

e) 1237km (769mi) WSW of Beijing, China

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.6 mb	± 0.04
Location	34.569°N, 104.127°E	± 15.3 km
Depth	10.1 km	± 2.8 km
Number of Phase Applied1	89
Minimum Distance2	1547.3 km (13.90°)
Travel Time Residual3	1.15 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)

Magnitude 4.9 Earthquake of Takahagi, Japan 2013 July 21

2013-07-21 09:52:58 UTC : Takahagi, Japan EARTHQUAKE

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Magnitude: 4.9

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2013-07-21 09:52:58 UTC

1. 2013-07-21 18:52:58 UTC+09:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.345°N 141.688°E

Depth : Depth of starting Rupture 

19.4km (12.1mi)

Region : Takahagi, Japan

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

a) 96km (60mi) ESE of Takahagi, Japan

b) 97km (60mi) ESE of Hitachi, Japan

c) 97km (60mi) ESE of Kitaibaraki, Japan

d) 97km (60mi) E of Oarai, Japan

e) 194km (121mi) ENE of Tokyo, Japan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.9 mb	± 0.06
Location	36.345°N, 141.688°E	± 19.1 km
Depth	19.4 km	± 7.0 km
Number of Phase Applied1	44
Minimum Distance2	313.9 km (2.82°)
Travel Time Residual3	1.00 sec
Azimuthal Gap4	118°

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 6.5 Earthquake of Blenheim, New Zealand 2013 July 21

2013-07-21 05:09:31 UTC : Blenheim, New Zealand EARTHQUAKE

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Magnitude: 6.5

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2013-07-21 05:09:31 UTC

1. 2013-07-21 17:09:31 UTC+12:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

41.713°S 174.443°E

Depth : Depth of starting Rupture 

14.0km (8.7mi)

Region : Blenheim, New Zealand

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

a) 46km (29mi) ESE of Blenheim, New Zealand

b) 53km (33mi) SSW of Karori, New Zealand

c) 54km (34mi) SSW of Wellington, New Zealand

d) 67km (42mi) SW of Lower Hutt, New Zealand

e) 67km (42mi) SW of Lower Hutt, New Zealand

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	6.5 Mww	--
Location	41.713°S, 174.443°E	± 12.9 km
Depth	14.0 km	± 2.6 km
Number of Phase Applied1	109
Minimum Distance2	50.1 km (0.45°)
Travel Time Residual3	0.89 sec
Azimuthal Gap4	36°

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)