The Karelian Regional Seismic Network in NW Russia
NW Russia is an aseismic region implying that few and infrequent earthquakes occur. Its seismicity is mainly mapped through analysis of historic macroseismic observations which is incomplete regarding small earthquakes say below ML = 4.5. For the Karelia Region (north of St. Petersburg) most located seismic events are explosions in origin and further more recorded mainly by stations and arrays adjacent to Karelia that is in Kola, Finland and N. Norway. From a Karelian point of view this is not entirely satisfactorily so some initiative has been taken for installing a local seismograph network. Note that deployment and subsequent network operations are a costly undertakings but using the inexpensive and versatile Cossack Ranger II instrumentation a high quality and affordable network operation for Karelia has been achieved. These efforts are the topic of this article.
KeywordsKarelia NW Russia seismograph network Cossack Ranger II earthquake monitoring
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