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M5.7 Hindukush Earthquake, 2011

Date:

7 November 2011

Epicentre:

W of Darawan, Afghanistan

Time:

11:59:31 UTC (16:29:31 AT)  

Latitude:

36.551 N (PDE)

Longitude:

71.060 E (PDE)

Depth:

219.0 kms (PDE)

Magnitude:

Mw=5.7 (HRV), 5.6 (PDE; GFZ)

Additional Info


Map Disclaimer


A moderate earthquake (M5.0-5.9 termed as "strong") occurred in the Hindukush Mountains in Badakhshan, Afghanistan, on 7 November 2011 at 16:29 PM local time in Afghanistan (16:59 PST and 17:29 IST). It had a magnitude of Mw=5.7 and was widely felt in eastern Afghanistan, northern Pakistan and parts of north India.

The earthquake was centr
ed 5.5 kms W of Darawan (Badakhshan), Afghanistan,
24 kms E of Ghowrayd Gharami (Badakhshan), Afghanistan,
46 kms NE of Sar Sang (Badakhshan), Afghanistan,
50 kms NNW of the Dorah Pass, Pakistan-Afghanistan border,
76.4 kms SE of Faizabad (Badakhshan), Afghanistan,
85.3 kms NW of Chitral (Khyber Pakhtunkhwa), Pakistan,
286 kms NNW of Peshawar (Khyber Pakhtunkhwa), Pakistan,
288 kms NE of Kabul (Kabol), Afghanistan,
363 kms NNW of Islamabad (N.C.T.), Pakistan,
435 kms NW of Srinagar (Jammu & Kashmir), India,
629 kms NW of Lahore (Punjab), Pakistan,
1,056 kms NW of Delhi (Delhi), India.

If you felt this earthquake please click here to view a felt map and to fill out a report.

Strong tremors were felt in northern Pakistan causing some panic. This earthquake was felt in Abbottabad, Chakwal, Haripur, Lahore, Islamabad, Rawalpindi and Tarbela in Punjab and in Charsadda, Chitral, Dir, Hazara, Kohat, Malakand, Mardan, Nowshera, Peshawar, Shangla, Swat and the Bajaur Agency in Khyber Pakhtunkhwa.

Strong tremors were also felt in the Kashmir Valley in Jammu & Kashmir, India, where people ran outdoors in panic. It was felt throughout the Valley including at Ganderbal and Srinagar. Tremors were also felt at Jammu and Poonch in the state. In other parts of north India, it was felt in Amritsar in Punjab, in Chamba, Dalhousie, Kangra, Kullu and Shimla in Himachal Pradesh, in Gurgaon in Haryana, in Jaipur in Rajasthan and in Delhi. It was also felt in the union territory of Chandigarh.

This is the strongest earthquake in the Hindukush Mountains since a Mw=6.2 earthquake on 18 September 2010. The centroid moment tensor solution (below) indicates a thrust mechanism for this earthquake. A characteristic feature created by intermediate and deep focus earthquakes is a large region of perceptibility as exhibited by this event.

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C201111071159A  
DATA: II IU DK MN G  CU IC GE LD
L.P.BODY WAVES:109S, 175C, T= 40
MANTLE WAVES:   46S,  50C, T=125
SURFACE WAVES: 130S, 248C, T= 50
TIMESTAMP:      Q-20111107091901
CENTROID LOCATION:
ORIGIN TIME:      11:59:33.4 0.1
LAT:36.63N 0.01;LON: 71.03E 0.01
DEP:216.8  0.8;TRIANG HDUR:  1.6
MOMENT TENSOR: SCALE 10**24 D-CM
RR= 3.610 0.039; TT=-0.287 0.050
PP=-3.320 0.047; RT=-0.267 0.040
RP= 1.250 0.042; TP= 0.815 0.051
PRINCIPAL AXES:
1.(T) VAL=  3.832;PLG=80;AZM=260
2.(N)      -0.082;     1;    166
3.(P)      -3.747;    10;     76
BEST DBLE.COUPLE:M0= 3.79*10**24
NP1: STRIKE=165;DIP=35;SLIP=  89
NP2: STRIKE=347;DIP=55;SLIP=  91
            -##--------           
        ---######----------       
      ---##########----------     
    ----#############----------   
   ----###############----------  
  -----################---------- 
  -----################--------   
 -----##################------- P 
 ------#######   ########------   
 ------####### T ########---------
 ------#######   ########---------
  ------#################-------- 
  ------#################-------- 
   -------###############-------  
    -------#############-------   
      -------###########-----     
        -------########----       
            -------###-           

References
01) National Earthquake Information Centre (PDE), Golden, USA.
02) Harvard Centroid Moment Tensor Solution (HRV), Harvard, USA.
03)
Geo Forschungs Zentrum (GFZ), Potzdam, Germany.
04) Macroseismic information has been compiled by the ASC from reports by local media and local NGO personnel.

Page Citation
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Map Disclaimer
International boundaries of India (especially Arunachal Pradesh, Jammu & Kashmir, Himachal Pradesh and Uttarakhand) on the displayed map are from Google Maps. These do not conform to the external boundaries of India recognized by the Survey of India. That they are displayed on this page via Google Maps, is only for display purposes and this should not be misinterpreted as an endorsement of these boundaries by the Amateur Seismic Centre (ASC).

Page Updated: 10 Nov 2011 | Website Disclaimer

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