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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 centred
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
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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.
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