Magnitude 2.6 Earthquake of Waikoloa Village, Hawaii 2014-07-21

2014-07-21 05:25:55 UTC : Waikoloa Village, Hawaii EARTHQUAKE

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Magnitude: 2.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-21 05:25:55 UTC

1. 2014-07-20 19:25:55 UTC-10:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

19.815°N 155.826°W

Depth : Depth of starting Rupture 

12.7km (7.9mi)

Region : Waikoloa Village, Hawaii

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

a)  13km (8mi) S of Waikoloa Village, Hawaii

b)  26km (16mi) NE of Kailua-Kona, Hawaii

c)  77km (48mi) W of Hilo, Hawaii

d)  92km (57mi) WNW of Hawaiian Paradise Park, Hawaii

e)  268km (167mi) SE of Honolulu, Hawaii

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.6 Ml	± 0.30
Location	19.815°N, 155.826°W	± 0.6 km
Depth	12.7 km	± 0.6 km
Number of Phase Applied1	65
Minimum Distance2	14.0 km (0.13°)
Travel Time Residual3	0.3 sec
Azimuthal Gap4	173°

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)