Seismological Research Letters; July/August 2006; v. 77; no. 4;
p. 426-439; DOI: 10.1785/gssrl.77.4.426
© 2006 Seismological Society of America
The Mw7 Machaze, Mozambique, Earthquake of 23 February 2006
Clark H. Fenton and
Julian J. Bommer
Department of Civil & Environmental
Engineering, Imperial College London
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INTRODUCTION
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A major (Mw 7.0) earthquake occurred on 22 February
2006 at 22:19 UTC (shortly after midnight the following day in local time) in
the western province of Manica in Mozambique, Southern Africa. The epicenter
was located in Machaze, the southernmost district of Manica province, about 45
km due south of the district capital of Chitobe
(figure 1).
The earthquake was felt throughout eastern Southern Africa but caused
surprisingly little damage and a very small number of casualties.
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Figure 1. Location map of the epicentral region, showing settlements and observed
surface rupture features, the main shock locations, and the aftershocks for a
period of one month, as determined by the U.S. Geological Survey's National
Earthquake Information Center (NEIC).
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Mozambique is not generally considered a country with significant seismic
hazard, but its population is affected by many other serious threats, both
natural and anthropogenic: life expectancy is close to 40 years. Despite
improved economic growth following liberalization in 1994, Mozambique remains
a poor country with a GDP per capita of just US $1,300. The country has
appreciable mineral resources but the principal economic activity is
agriculture, with seafood (shrimp and lobster) being the major export. The
only major industrial activity is a large aluminum smelting plant, with other
activities related mainly to food processing. As much as 80% of the population
lives on subsistence farming or fishing.
Mozambique is still suffering from the effects of a brutal civil war that
began two years after the country achieved independence from Portugal in 1975
and continued until 1992, leaving at least 100,000 dead and one-third of the
population displaced or forced into exile. In common with so many African
countries, Mozambique is heavily affected by HIV/AIDS, with at least 12% of
the population infected; we were informed that in Machaze district the
infection . . . [Full Text of this Article]
Department of Civil & Environmental Engineering
Imperial
College London
South Kensington Campus
London SW7 2AZ,
U.K.
c.fenton@imperial.ac.uk
j.bommer@imperial.ac.uk
(C.F.,
J.B.)
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Seismological Research Letters,
January 1, 2009;
80(1):
71 - 80.
[Full Text]
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