Monday, September 1, 2014

Magnitude 4.7 Earthquake of Akureyri, Iceland 2014-08-31

2014-08-31 16:12:34 UTC :Akureyri, Iceland EARTHQUAKE

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Magnitude : 4.7


Event Time: Time and Date Starting of Earthquake Rupture 


  1. 2014-08-31 16:12:34 UTC

  1. 2014-08-31 16:12:34 UTC+00:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

64.649°N 17.517°W

Depth : Depth of starting Rupture 

7.8km (4.8mi)


Region : Akureyri, Iceland


Magnitude 4.7 Earthquake of Hofn, Iceland 2014-08-31




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

a)  118km (73mi) SSE of Akureyri, Iceland

b)  218km (135mi) ENE of Reykjavik, Iceland

c)  220km (137mi) ENE of Kopavogur, Iceland

d)  
223km (139mi) ENE of Hafnarfjordur, Iceland


e)  612km (380mi) WNW of Torshavn, Faroe Islands

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.7 mb
± 0.04
Location
64.649°N, 17.517°W
--
Depth
7.8 km
± 3.6 km
Number of Phase Applied1
274

Minimum Distance2
182.5 km (1.64°)

Travel Time Residual3
0.55 sec

Azimuthal Gap4
34°

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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