Magnitude 2.8 Earthquake of Lakeview, Oregon 2014-08-22

2014-08-22 18:21:55 UTC : Lakeview, Oregon EARTHQUAKE

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Magnitude: 2.8

Event Time: Time and Date Starting of Earthquake Rupture

1. 2014-08-22 18:21:55 UTC
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1. 2014-08-22 11:21:55 UTC-07:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

41.897°N 119.634°W

Depth : Depth of starting Rupture 

2.6km (1.6mi)

Region :  Lakeview, Oregon

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

a) 67km (42mi) ESE of Lakeview, Oregon

b) 177km (110mi) E of Altamont, Oregon

c)  181km (112mi) E of Klamath Falls, Oregon

d) 185km (115mi) NNE of Susanville, California

e)  303km (188mi) N of Carson City, Nevada

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.8 ml	± 0.26
Location	41.897°N, 119.634°W	± 6.4 km
Depth	2.6 km	± 6.4 km
Number of Phase Applied1	7
Minimum Distance2	55.4 km (0.50°)
Travel Time Residual3	0.047 sec
Azimuthal Gap4	121°

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)