The Vrancea earthquake of March 4, 1977 — a multiple seismic event and its seismotectonic implications

Tectonophysics, 53 (1979) 223 0 Elsevier Scientific Publishing Company,

THE VRANCEA EARTHQUAKE OF EVENT AND ITS SEISMOTECTONIC

T.

IOSIF

Centre

and

for

S.

Earth

223 Amsterdam

- Printed in The Netherlands

MARCH 4, 1977 IMPLICATIONS

- A MULTIPLE

SEISMIC

IOSIF

Physics

and

Seismology,

Bucharest

(Romania)

ABSTRACT

Iosif,

S., 1979. The Vrancea earthquake of T., and Iosif 1977 - a multiple seismic event and its seismotectonic implications (Abstr.). Tectonophysics, 53:223.

A study concerning the earthquake of March 4, 1977 seismic network is presented. 9 s interval were recognized Some explanations regarding also analysed are the shaking Carpathian Mountains on the the focal mechanism for the

March

multiplicity character of Vrancea based on records of the Romanian Four separate shocks within a of which three with M = 6.0-6.9. the macroseismic intensity are made. duration, the influence of the shape of the isoseismal curves and first two main shocks.

4,