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

Magnitude 3.3 Earthquake of SOUTHERN ALASKA 2012 January 30

2012 January 30 10:42:01 UTC: SOUTHERN ALASKA

Magnitude: 3.3

Date-Time : Monday, January 30, 2012 at 10:42:01 UTC
Monday, January 30, 2012 at 01:42:01 AM at epicenter

Location : 59.855°N, 152.955°W

Depth : 20.7 km (12.9 miles)

Region : SOUTHERN ALASKA

Distances:

a) 66 km (41 miles) E (82°) from Pedro Bay, AK

b) 67 km (42 miles) W (278°) from Anchor Point, AK

c) 70 km (43 miles) W (262°) from Happy Valley, AK

d) 229 km (142 miles) SW (231°) from Anchorage, AK

Location Uncertainty: horizontal +/- 0.5 km (0.3 miles); depth +/- 0.7 km (0.4 miles)

Parameters : Nph= 40, Dmin=0 km, Rmss=1.3 sec, Gp= 0, M-type=local magnitude (ML), Version=1