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Authors: Olivieri, M.*
Schweitzer, J.*
Title: An Empirical Procedure for Rapid Magnitude Estimation in Italy
Title of journal: Bulletin of the Seismological Society of America
Series/Report no.: 5/97 (2007)
Publisher: Seismological Society of America
Issue Date: Sep-2007
DOI: 10.1785/0120060261
Keywords: Magnitude
early warning
Abstract: Abstract Rapid estimates of source parameters are needed for reasons of civil protection in regions where destructive events often occur. This information can prevent further damage and casualties. A relation between the first seconds of a P- wave onset and the local magnitude ML of the earthquake has been developed for the Italy region following results obtained in Japan and Southern California. The proposed dominant period estimate has been used in the present work and it gives reliable results from which to evaluate the size of the earthquake. The data set we evaluated consists of about 20,000 earthquakes that occurred in Italy and were well recorded by the stations of the MedNet Network. The proposed relationship will be one basis for developing and implementing an earthquake early warning system in Italy capable of delivering a rapid alert only a few seconds after the occurrence of a potentially destructive earthquake in the area. Recent extensive improvements of the Italian National Seismic Network, together with this new technique, will make pos- sible the release of a robust magnitude estimate no later than 10 sec after the occur- rence of the earthquake. However, no data are available for earthquakes with mag- nitudes ML
Appears in Collections:04.06.09. Waves and wave analysis
Papers Published / Papers in press

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