SEISMOLOGY AT IAG-USP. IAG: Inst. Astronomy, Geophysics & Atmospheric Sciences USP: University of São Paulo. Main Research Areas. Brazilian seismicity:. Crustal and upper mantle structure. Natural and dam-induced Seismic risk - Crustal stresses. deep seismic refraction
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IAG: Inst. Astronomy, Geophysics & Atmospheric Sciences
USP: University of São Paulo
Crustal and upper mantle structure
Cooperation with Carnegie Institute, USGS-Menlo Park
Northwestern University, Montpellier (France),
Univ. S. Carolina, Barcelona, Potsdam
Rio Grande do Norte
Rio Claro, UNESP
São Paulo, USP
acel. 0,1g -> return period 50.000 years
- Support from Petrobrás/Eletronuclear
Crustal section in Tocantins foldbelt between Amazon and
Sao Francisco cratons.
(Berrocal et al., 2004. Tectonophysics)
temporary BB stations since 1992
5 Guralps (100s)
10 RT 72A
a few 130
Swiss Stations (2002-2004)
Tomografia (Feng et al.,2006)
Central and SE Brazil.
Van der Hilst & Berrocal,
Assumpção & VanDecar,
- cooperation with Suzan Van der Lee (Northwestern Univ.)
Vs, 100km depth
Phys. Earth Planet. Int. 2004; JGR 2006, submitted
espessura crustal (km)
On going projects in cooperation with Natal,
Brasilia, Rio Claro, NWU, Univ. South Carolina,
high frequency (~5Hz) receiver functions in sedimentary basins
Zevallos et al.(submitted 2005)
2) Crustal and upper mantle structure.
(with Natal, NWU, S. Carolina Univ, Barcelona)
Pool of 40 BB + 400 texans,
to be funded by Petrobrás and used by Brazilian universities.
1) Northern Paraná Basin :
Basement topography and basin evolution.
(with S. Carolina Univ.)