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A
moderate earthquake struck the Upper
Tsangpo Valley in eastern Tibet, close to the border with India, on
18 August
2003 at 17:03 PM local time. It had a magnitude of
Mw=5.5 and was felt in parts of Nyingchi prefecture resulting in
one death and minor damage.
The earthquake was centred
14.2 kms NE of Dagmo (Xizang), China,
35.2 kms NE of Medog
(Xizang), China,
47.9 kms ESE of Namche Barwa Peak
(Xizang), China,
57.6 kms WSW of Sumzon
(Xizang), China,
72.5 kms NE of Geling (Arunachal Pradesh), India
116 kms NNW of Chibuni (Arunachal Pradesh), India
132 kms NNE of Gasheng (Arunachal Pradesh), India
168 kms N of Pasighat (Arunachal Pradesh), India,
239 kms NNE of Dibrugarh (Assam), India.
At
least one person was killed in a landslides in Medog County. One
person was injured in Medog County and 5 in Bomi County. Several buildings were
damaged in Nyingchi prefecture (Xizang), China. Warehouses were
also damaged in Bomi and Medog counties. Many aftershocks were
experienced in the epicentral region. Several landslides blocked
the Sichuan-Tibet Highway in Bomi County. More than 4,800 cubic
metres of mud and rock covered some sections of the highway and a
2-kilometre section of the road was completely destroyed by rock
falls. The highway was cleared two days later and was
opened to traffic. No casualties or injuries
were reported from this earthquake. The
effects of this earthquake in adjoining parts of Arunachal Pradesh
and Assam in India are unknown. |
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References
01)
National
Earthquake Information Centre (NEIC/PDE), Golden, USA.
02)
Harvard Centroid Moment Tensor Solution (HRV), Harvard, USA.
03) Macroseismic information has been compiled by
the ASC from reports by local media and local NGO personnel.
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