Magnitude 4.1 Earthquake of Pirgos, Greece 2013 June 17

013-06-17 11:36:02 UTC : Pirgos, Greece EARTHQUAKE

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Magnitude: 4.1

Event Time: Time and Date Starting of Earthquake Rupture 

2013-06-17 11:36:02 UTC

2013-06-17 13:36:02 UTC+02:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

34.256°N 25.124°E

Depth : Depth of starting Rupture 

25.9km (16.1mi)

Region : Pirgos, Greece

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

a) 82km (51mi) S of Pirgos, Greece

b) 100km (62mi) SW of Ierapetra, Greece

c) 116km (72mi) SSW of Agios Nikolaos, Greece

d) 118km (73mi) S of Irakleion, Greece

e) 432km (268mi) SSE of Athens, Greece

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.1 mb	± 0.15
Location	34.256°N, 25.124°E	± 23.5 km
Depth	25.9 km	± 12.0 km
Number of Phase Applied1	26
Minimum Distance2	234.9 km (2.11°)
Travel Time Residual3	1.04 sec
Azimuthal Gap4	169°

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)