Magnitude 4.6 Earthquake of Hofn, Iceland 2014-10-12

2014-10-12 10:07:23 UTC: Hofn, Iceland EARTHQUAKE

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Magnitude : 4.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-12 10:07:23 UTC

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1. 2014-10-12 10:07:23 UTC+00:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

64.627°N 17.400°W

Depth : Depth of starting Rupture 

10.0km (6.2mi)

Region : Hofn, Iceland

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

a)  113km (70mi) WNW of Hofn, Iceland

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b)  122km (76mi) SSE of Akureyri, Iceland

c)  223km (139mi) ENE of Reykjavik, Iceland

d)  225km (140mi) ENE of Kopavogur, Iceland

e)  227km (141mi) ENE of Hafnarfjordur, Iceland

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.6 mb	± 0.05
Location	64.627°N, 17.400°W	--
Depth	10.0 km	± 1.9 km
Number of Phase Applied1	146
Minimum Distance2	188.4 km (1.69°)
Travel Time Residual3	0.65 sec
Azimuthal Gap4	82°

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)