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A moderate
earthquake (M5.0-5.9 termed as "moderate") occurred
in
the
Safed Koh Mountains in Nangarhar
Province's Sherzad district, Afghanistan,
on 16 April 2009
at 01:57 AM local time in Afghanistan.
It had a magnitude of Mb=5.5 (red star).
This was followed by Mb=5.1 (pink star)
earthquake at 04:12 AM local time in Afghanistan. Both earthquakes
resulted in damage and fatalities in the region.
If you felt this earthquake please take the time to fill out a felt report questionnaire.
The earthquake at
01:57 local time was centred
2.3 kms NE of Morqa (Nangarhar), Afghanistan,
10 kms W of Wazir (Nangarhar), Afghanistan,
21.5 kms N of Mount Sikaram (F.A.T.A.), Pakistan,
37 kms N of Parachinar (F.A.T.A.), Pakistan,
41.6 kms SW of Jalalabad (Nangarhar), Afghanistan,
82 kms ESE of Kabul (Kabol), Afghanistan,
105 kms NNW of Thal (N.W.F.P.), Pakistan,
120 kms WNW of Hangu (N.W.F.P.), Pakistan,
136 kms W of Peshawar (N.W.F.P.), Pakistan,
168 kms NE of Ghazni (Ghazni), Afghanistan
283 kms WNW of Islamabad (F.C.A.), Pakistan.
At least 19 people
were killed and 37 injured with as many as 370 buildings
damaged (50 completely destroyed) in Nangarhar province's Sherzad district.
Damage is believed to be the greatest at Khodi Khel and Sargad
Khel in Sherzad district. Damage was also reported from Bhezad
Khel, Mili Khel and Mir Gadkhel, Sarkout, Shorla Khel and To To,
also in Sherzad district. The mainshock at
01:57 AM local time (21:27 UTC) was followed by a Mb=5.1
aftershock at 04:12 AM local time (23:42 UTC) in Afghanistan that
caused further damage and casualties. Several people who went
outdoors after the first earthquake returned to their damaged
homes that then collapsed in the second earthquake.
This earthquake at
01:57 AM local time (21:27 UTC) was felt in parts of eastern Afghanistan including at Kabul. It
was also felt in parts of northern Pakistan including at
Islamabad and Rawalpindi as well as at Srinagar in Jammu &
Kashmir, India. Tremors were also perceptible as far as Delhi,
India.
A
Mw=5.9 earthquake on 6 October 2008
to the west of this immediate region was felt in Kabul but further
details regarding damage or casualties were unavailable at the
time. A Mw=6.0 earthquake on 11 February 1999 killed at least 70 people and caused damage in Lowgar and Vardak provinces including at Kabul. It was also felt
at Peshawar as well as far as Islamabad in Pakistan.
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References
01)
National
Earthquake Information Centre (NEIC), Golden, USA.
02)
Geophysical Survey of
the Russian Academy of Sciences, Obninsk, Russia.
03) Harvard Centroid Moment Tensor Solution (HRV),
Harvard, USA.
04) International Seismological Centre (ISC), Berkshire, U.K.
05)
Macroseismic information has been compiled by
the ASC from reports by local media and local NGO personnel.
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