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M6.1 Nahrin Earthquake, 2002 |
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Date: |
25
March 2002 |
Epicentre: |
SSE of
Khvajeh Jeyran, Baghlan |
Time: |
14:56:37 UTC (19:26:37 AT) |
Latitude: |
36.008 N (ISC) |
Longitude: |
69.269 E (ISC) |
Depth: |
33.0 kms (ISC) |
Magnitude: |
Mw
6.1 (HRV), 6.0 (NEIC) |
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A
strong earthquake struck town of Nahrin
in Badakhshan, Afghanistan, on 3 March
2002 at 16:38 PM local time, killing nearly 1,200 people and
resulting in damage to property the province of Baghlan,
Afghanistan. It had a magnitude of
Mw=6.1 and was followed by an active aftershock sequence.
The earthquake
was centred 3.6
kilometres SSE of Khvajeh Jeyran (Baghlan), Afghanistan,
14.5 kilometres ESE of Nahrin (Baghlan),
Afghanistan,
50.1 kilometres E of Baghlan (Baghlan), Afghanistan,
51.5 kilometres ENE of Pol-e Khomri (Baghlan), Afghanistan,
88.1 kilometres SSE of Kondoz (Kondoz), Afghanistan,
115 kilometres ESE of Samangan (Samangan),
Afghanistan,
160 kilometres N of Kabul International Airport, Kabul (Kabul),
Afghanistan,
210 kilometres ESE of Mazar-e Sharif (Balkh),
Afghanistan,
305 kilometres NW of Peshawar (N.W.F.P.), Pakistan.
The number of fatalities in this earthquake was
uncertain due to political situation in Afghanistan at the time of
the earthquake. However, United Nations figures estimate
approximately 1,200 fatalities in the Nahrin region with at least
100 deaths in the town of Nahrin itself. Another 7,000
people were injured and more than 20,000 were rendered homeless.
Many of the injured were flown out by helicopter to the
neighbouring towns of Baghlan and Pol-e Khomri.
The
earthquake caused extensive damage to the town of Nahrin. The
hardest hit was the old town, much of which was levelled in the
quake. A study by Yeats & Madden (2003) identified over 40 locations
in the Nahrin valley where the observed intensity reached VII on the
Modified Mercalli Intensity Scale including the town of Nahrin.
Tremors from the main earthquake
were felt over a wide area of eastern Afghanistan,
including at Kabul and Mazar-e Sharif, where it was strong.
It was also felt at Islamabad and Peshawar
in northern Pakistan and at Dushanbe, Tajikistan.
Several aftershocks rocked the area, and the strongest, a magnitude
Mw=5.6 (NEIC; HRV)
on 27 March at
13:22 local time caused further
landslides and rock falls in the
surrounding mountains. It was felt strongly at Nahrin
causing considerable panic and anxiety among
survivors. Tremors were also felt as far
as Islamabad and Peshawar in northern Pakistan and at Dushanbe,
Tajikistan. Another hazard that rescuers and survivors were
faced with were the numerous landmines laid in the area
by opposing factions during the civil war in
Afghanistan. According to the HALO trust,
the town of Nahrin had stood on the frontline
the Northern Alliance and the Taliban, due to
which the former had laid hundreds of antitank mines on the
roads leading into the town. |
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References
01) International Seismological Centre (ISC),
Berkshire.
02)
National
Earthquake Information Centre (NEIC), Golden, USA.
03)
Harvard Centroid Moment Tensor Solution (HRV), Harvard, USA.
04)
Macroseismic information has been compiled by
the ASC from reports by local media and local NGO personnel.
05) Yeats, R.B., and C. Madden, "Damage from
the Nahrin, Afghanistan earthquake of 25 March 2002", SRL, Vol.
73, No. 3, 2002..
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