Magnitude 4.6 Earthquake of SOUTHERN PERU 2011 December 29

2011 December 29 03:32:46 UTC: SOUTHERN PERU

Magnitude: 4.6

Date-Time : Thursday, December 29, 2011 at 03:32:46 UTC
Wednesday, December 28, 2011 at 10:32:46 PM at epicenter

Location : 15.579°S, 70.475°W

Depth : 197.3 km (122.6 miles)

Region : SOUTHERN PERU

Distances:

a) 38 km (23 miles) WSW of Juliaca, Peru

b) 55 km (34 miles) WNW of Puno, Peru

c) 144 km (89 miles) NE of Arequipa, Peru

d) 812 km (504 miles) ESE of LIMA, Peru

Location Uncertainty: horizontal +/- 20.9 km (13.0 miles); depth +/- 12.1 km (7.5 miles)

Parameters : NST= 77, Nph= 80, Dmin=262.7 km, Rmss=1.1 sec, Gp=140°, M-type=body wave magnitude (Mb), Version=5

Magnitude 4.4 Earthquake of OAXACA, MEXICO 2011 December 28

2011 December 28 21:45:53 UTC: OAXACA, MEXICO

Magnitude: 4.4

Date-Time : Wednesday, December 28, 2011 at 21:45:53 UTC
Wednesday, December 28, 2011 at 03:45:53 PM at epicenter

Location : 16.466°N, 94.852°W

Depth : 64.3 km (40.0 miles)

Region : OAXACA, MEXICO

Distances:

a) 50 km (31 miles) NE of Salina Cruz, Oaxaca, Mexico

b) 130 km (80 miles) WNW of Tonala, Chiapas, Mexico

c) 187 km (116 miles) W of Tuxtla Gutierrez, Chiapas, Mexico

d) 562 km (349 miles) SE of MEXICO CITY, D.F., Mexico

Location Uncertainty: horizontal +/- 18.5 km (11.5 miles); depth +/- 9.9 km (6.2 miles)

Parameters : NST= 80, Nph= 83, Dmin=477.6 km, Rmss=1.15 sec, Gp=176°, M-type=body wave magnitude (Mb), Version=2

Magnitude 6.9 Earthquake of SIKKIM, INDIA 2011 September 18

2011 September 18 12:40:48 UTC : SIKKIM, INDIA

Magnitude: 6.8

Date-Time : Sunday, September 18, 2011 at 12:40:48 UTC

Sunday, September 18, 2011 at 06:10:48PM at epicenter

Location : 27.730°N, 88.082°E

Depth : 20.7 km (12.9 miles)

Region : SIKKIM, INDIA

Distances: 69 km (43 miles) NW (310°) from Gangtok, Sikkim, India

120 km (74 miles) NNW (343°) from Shiliguri, West Bengal, India

272 km (169 miles) E of KATHMANDU, Nepal

572 km (355 miles) N of Kolkata (Calcutta), West Bengal, India

Subduction Zones-Purple, Ridges-Red and Transform Faults Green

Location Uncertainty : horizontal +/- 14.4 km (8.9 miles); depth +/- 7.4 km (4.6 miles)

Parameters : NST=258, Nph=258, Dmin=369.6 km, Rmss=1.17 sec, Gp= 29°, M-type=regional moment magnitude (Mw), Version=9

Magnitude 2.5 Earthquake of NEW MEXICO 2011 December 28

2011 December 28 11:05:10 UTC: NEW MEXICO

Magnitude: 2.5

Date-Time : Wednesday, December 28, 2011 at 11:05:10 UTC
Wednesday, December 28, 2011 at 04:05:10 AM at epicenter

Location : 36.978°N, 104.817°W

Depth : 5 km (3.1 miles)

Region : NEW MEXICO

Distances:

a) 34 km (21 miles) WNW of Raton, New Mexico

b) 35 km (21 miles) SW of Trinidad, Colorado

c) 71 km (44 miles) S of Walsenburg, Colorado

d) 176 km (109 miles) NE of SANTA FE, New Mexico

Location Uncertainty: horizontal +/- 11.9 km (7.4 miles); depth +/- 3.1 km (1.9 miles)

Parameters : NST= 8, Nph= 12, Dmin=40.1 km, Rmss=0.57 sec, Gp= 86°, M-type=local magnitude (ML), Version=8