Magnitude 2.9 Earthquake of Eureka, Nevada USA 2014 January 05

2014-01-05 08:36:03 UTC : Eureka, Nevada USA EARTHQUAKE

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Magnitude: 2.9

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-01-05 08:36:03 UTC

1. 2014-01-05 00:36:03 UTC-08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

39.481°N 115.435°W

Depth : Depth of starting Rupture 

14.9km (9.3mi)

Region : Eureka, Nevada

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

a) 45km (28mi) E of Eureka, Nevada

b) 138km (86mi) S of Spring Creek, Nevada

c) 152km (94mi) S of Elko, Nevada

d) 287km (178mi) NW of Cedar City, Utah

e) 333km (207mi) WSW of Salt Lake City, Utah

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.9 ml	--
Location	39.481°N, 115.435°W	± 3.9 km
Depth	14.9 km	± 8.6 km
Number of Phase Applied1	9
Minimum Distance2	126.7 km (1.14°)
Travel Time Residual3	0.0743 sec
Azimuthal Gap4	120°

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)

Magnitude 2.6 Earthquake of SANTA BARBARA CHANNEL, CALIFORNIA 2012 January 31

2012 January 31 11:51:30 UTC: SANTA BARBARA CHANNEL, CALIFORNIA

Magnitude: 2.6

Date-Time : Tuesday, January 31, 2012 at 11:51:30 UTC
Tuesday, January 31, 2012 at 03:51:30 AM at epicenter

Location : 34.267°N, 119.680°W

Depth : 0.9 km (~0.6 mile) (poorly constrained)

Region : SANTA BARBARA CHANNEL, CALIFORNIA

Distances:

a) 17 km (11 miles) S (173°) from downtown Santa Barbara, CA
b) 19 km (12 miles) SSW (193°) from Montecito, CA

c) 19 km (12 miles) SSW (204°) from Summerland, CA

d) 134 km (83 miles) W (281°) from Los Angeles Civic Center, CA

Location Uncertainty: horizontal +/- 0.4 km (0.2 miles); depth +/- 1 km (0.6 miles)

Parameters : Nph= 40, Dmin=20 km, Rmss=0.42 sec, Gp= 68°, M-type=local magnitude (ML), Version=0

Magnitude 4.4 Earthquake of ANTOFAGASTA, CHILE 2012 January 29

2012 January 29 16:44:39 UTC: ANTOFAGASTA, CHILE

Magnitude: 4.4

Date-Time : Sunday, January 29, 2012 at 16:44:39 UTC
Sunday, January 29, 2012 at 12:44:39 PM at epicenter

Location : 21.529°S, 68.202°W

Depth : 125.2 km (77.8 miles) set by location program

Region : ANTOFAGASTA, CHILE

Distances:

a) 128 km (79 miles) NE of Calama, Antofagasta, Chile

b) 185 km (114 miles) SW of Uyuni, Bolivia

c) 215 km (133 miles) ENE of Tocopilla, Antofagasta, Chile

d) 1343 km (834 miles) N of SANTIAGO, Region Metropolitana, Chile

Location Uncertainty: horizontal +/- 14.8 km (9.2 miles); depth fixed by location program

Parameters : NST= 28, Nph= 28, Dmin=143.9 km, Rmss=1.11 sec, Gp= 76°, M-type=body wave magnitude (Mb), Version=4