Wednesday, June 25, 2014

Magnitude 4.5 Earthquake of Nafpaktos, Greece 2014-06-25

2014-06-25 09:21:43 UTCNafpaktos, Greece EARTHQUAKE

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Magnitude:4.5


Event Time: Time and Date Starting of Earthquake Rupture 


    1. 2014-06-25 09:21:43 UTC

    1. 2014-06-25 12:21:43 UTC+03:00 at epicenter
    1. 2014-06-25 15:21:43 UTC+06:00 system time

    Earthquake data:

    Location : Position of Epicenter 

    38.389°N 21.762°E

    Depth : Depth of starting Rupture 

    10.9km (6.8mi)


    Region :Nafpaktos, Greece

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

    a)5km (3mi) W of Nafpaktos, Greece

    b) 16km (10mi) N of Patrai, Greec

    c)29km (18mi) E of Mesolongi, Greece

    d)29km (18mi) E of Mesolongion, Greece

    e)177km (110mi) WNW of Athens, Greece
    Location Uncertainty: 
    Parameter
    Value
    Uncertainty
    Magnitude
    4.5 mb
    ± 0.12
    Location
    38.389°N, 21.762°E
    --
    Depth
    10.9 km
    ± 4.8 km
    Number of Phase Applied1
    56

    Minimum Distance2
    86.2 km (0.77°

    Travel Time Residual3
    1.33 sec

    Azimuthal Gap4
    49°

    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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