Magnitude 6.1 Atacama. Chile 07-Dec-11 (c00073nc)

See source attribution and disclaimer notice
USGS Earthquakes details pages

Magnitude 6.1
Date-Time Wednesday, December 07, 2011 at 22:23:09 UTC
Wednesday, December 07, 2011 at 07:23:09 PM at epicenter
Location 27.884°S, 70.932°W
Depth 15.6 km (9.7 miles)
Region ATACAMA, CHILE
Distances 79 km (49 miles) NNW of Vallenar, Atacama, Chile
80 km (49 miles) SW of Copiapo, Atacama, Chile
234 km (145 miles) N of Coquimbo, Coquimbo, Chile
619 km (384 miles) N of SANTIAGO, Region Metropolitana, Chile
Location Uncertainty horizontal +/- 16.1 km (10.0 miles); depth +/- 4.1 km (2.5 miles)
Parameters NST=423, Nph=431, Dmin=126.9 km, Rmss=0.91 sec, Gp= 36°,
M-type=”moment” magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=A
Source Magnitude: USGS NEIC (WDCS-D)
Location: USGS NEIC (WDCS-D)
Event ID usc00073nc

Location Shake map Seismic Hazard maps
P-Wave travel times Phase/Tensor data Tsunami bulletin
Other links (Tsunami bulletin not available for all events)

Location in Google Maps
Location Map
c00073nc location
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Shake Map
c00073nc shake

Seismic Hazard Map
c00073nc shazard
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Historic Seismicity 2011
c00073nc sh2011

Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

P-Wave travel times

City Distance
(degrees)
Travel Time
(min:secs)
Arrival Time
UTC
Phase
Lima, Peru 16.70 3:54.8 22:27:01.8 Pn
Palmer Station, Antarctica 40.14 7:36.7 22:30:43.7 P
San Juan, Puerto Rico 46.30 8:26.5 22:31:33.5 P
Miami, Florida 54.06 9:25.3 22:32:32.4 P
Mexico City, Mexico 54.37 9:27.7 22:32:34.6 P
Brownsville, Texas 59.26 10:02.3 22:33:09.3 P
Knoxville, Tennessee 64.88 10:40.1 22:33:47.1 P
Washington, D.C. 66.65 10:51.6 22:33:58.6 P
Philadelphia, Pennsylvania 67.58 10:57.5 22:34:04.5 P
New York, New York 68.29 11:02.0 22:34:09.0 P
St. Louis, Missouri 68.61 11:04.0 22:34:11.0 P
Wichita, Kansas 69.82 11:11.5 22:34:18.5 P
Boston, Massachusetts 69.84 11:11.7 22:34:18.6 P
Albuquerque, New Mexico 71.12 11:19.5 22:34:26.5 P
Bangor, Maine 72.34 11:26.8 22:34:33.8 P
Phoenix, Arizona 72.40 11:27.2 22:34:34.2 P
Ottawa, Canada 73.06 11:31.1 22:34:38.1 P
Golden, Colorado 74.46 11:39.3 22:34:46.3 P
Los Angeles, California 76.16 11:49.1 22:34:56.1 P
Duluth, Minnesota 76.71 11:52.2 22:34:59.2 P
San Francisco, California 81.19 12:16.8 22:35:23.8 P
Wellington, New Zealand 88.22 12:52.2 22:35:59.2 P
Seattle, Washington 88.33 12:52.7 22:35:59.7 P
Honolulu, Hawaii 97.10 13:33.0 22:36:40.0 P
London, England 100.40 13:47.7 22:36:54.7 Pdiff
Rome, Italy 103.50 14:01.5 22:37:08.5 Pdiff
Nairobi, Kenya 105.04 14:08.3 22:37:15.3 Pdiff
Bergen, Norway 107.40 14:18.8 22:37:25.8 Pdiff
Anchorage, Alaska 108.96 14:25.7 22:37:32.7 Pdiff
Brisbane, Australia 110.67 14:33.3 22:37:40.3 Pdiff
Moscow, Russia 122.91 15:27.6 22:38:34.6 Pdiff
Agana, Guam 143.83 17:00.5 22:40:07.5 Pdiff
Tokyo, Japan 152.87 19:51.7 22:42:58.7 PKPdf
Kathmandu, Nepal 158.98 20:00.2 22:43:07.2 PKPdf
Beijing, China 166.53 20:08.0 22:43:15.0 PKPdf

Moment Tensor Solutions(Notes)

USGS Body-Wave Moment Tensor Solution

Epicenter: -27.883  -70.932
MW 6.0

USGS MOMENT TENSOR SOLUTION
Depth  16         No. of sta: 76
Moment Tensor;   Scale 10**18 Nm
  Mrr= 0.83       Mtt=-0.16
  Mpp=-0.67       Mrt= 0.27
  Mrp=-0.69       Mtp= 0.02
 Principal axes:
  T  Val=  1.14  Plg=67  Azm= 62
  N       -0.19       7      168
  P       -0.96      22      261

Best Double Couple:Mo=1.1*10**18
 NP1:Strike=  4 Dip=24 Slip= 107
 NP2:       165     67        83

USGS WPhase Moment Solution

Epicenter: -27.865  -70.922
MW 6.1

USGS/WPHASE CENTROID MOMENT TENSOR
11/12/07 22:23: 7.00
Centroid:  -27.965  -70.583
Depth  25         No. of sta: 17
Moment Tensor;   Scale 10**18 Nm
  Mrr= 0.86       Mtt= 0.02
  Mpp=-0.88       Mrt= 0.27
  Mrp=-1.43       Mtp=-0.18
 Principal axes:
  T  Val=  1.73  Plg=58  Azm= 68
  N     = -0.04       9      175
  P     = -1.69      29      270

Best Double Couple:Mo=1.7*10**18
 NP1:Strike= 27 Dip=18 Slip= 123
 NP2:       173     75        80

Phase Data


Tsunami Information
No tsunami bulletin issued by NOAA from the Pacific Tsunami Warning Centre

Details Location Seismic Hazard maps P-Wave travel times Phase data

Other Links
PAGER details and PDF link.
The PAGER archive includes Significant Earthquakes since 2008.

If you would like a PDF copy of this web page please leave a comment and I will create one for you.

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About PuterMan

A retired programmer.
This entry was posted in Chile, Earthquakes 2011, Magnitude 6 and tagged , . Bookmark the permalink.

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