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KivuSNet; the first dense broadband seismic network for the Kivu Rift region (western branch of East African Rift)

Adrien Oth, Julien Barriere, Nicolas d'Oreye, Georges Mavonga, Josue Subira, Niche Mashagiro, Benjamin Kadufu, Silvanos Fiama, Gilles Celli, Jean de Dieu Bigirande, Alain Joseph Ntenge, Laurent Habonimana, Charles Bakundukize and Francois Kervyn
KivuSNet; the first dense broadband seismic network for the Kivu Rift region (western branch of East African Rift)
Seismological Research Letters (January 2017) 88 (1): 49-60

Abstract

The Kivu rift is located in the bordering region of the Democratic Republic of Congo and Rwanda, in the western branch of the East African rift. Here, the active volcanoes Nyamulagira (the most active in Africa) and Nyiragongo (host to the largest persistent lava lake on Earth) threaten the city of Goma and neighboring agglomerations, and destructive earthquakes can also affect the region. Despite this high level of hazard, modern seismic monitoring infrastructure was lacking in the area until very recently, leaving many aspects about the volcanic activity and seismicity up to speculation. In order to remedy this unsatisfactory situation, the first dense real-time telemetered broadband seismic network, KivuSNet, was deployed in the region, with the first two stations in 2012/2013 followed by six additional ones in 2014. Since October 2015, a network of 13 stations is running in the Kivu rift, and with currently seven additional stations in the process of installation, this network is under continuous development. KivuSNet opens a new window for the seismological knowledge in this highly active rifting region. It allows for unprecedented insights into tectonic and volcanic seismicity, tremor patterns, and Earth structure as well as for sustainable real-time monitoring of the volcanoes. Together with the often collocated KivuGNet geodetic stations, KivuSNet closes a dramatic observational gap in this region. This article presents the key features of the network, discusses technical aspects, and provides an overview of first results obtained using the thus far acquired data, showing KivuSNet's wide potential.


ISSN: 0895-0695
EISSN: 1938-2057
Serial Title: Seismological Research Letters
Serial Volume: 88
Serial Issue: 1
Title: KivuSNet; the first dense broadband seismic network for the Kivu Rift region (western branch of East African Rift)
Affiliation: European Center for Geodynamics and Seismology, Walferdange, Luxembourg
Pages: 49-60
Published: 201701
Text Language: English
Publisher: Seismological Society of America, El Cerrito, CA, United States
References: 29
Accession Number: 2017-006082
Categories: SeismologyEnvironmental geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table, sketch maps
S01°45'00" - S01°00'00", E29°00'00" - E29°40'00"
Secondary Affiliation: National Museum of Natural History, LUX, LuxembourgGoma Volcano Observatory, COD, Congo, the Democratic Republic ofCentre de Recherche en Sciences Naturelles-Lwiro, COD, Congo, the Democratic Republic ofRwanda Natural Resources Authority, RWA, RwandaUniversite du Burundi, BDI, BurundiRoyal Museum for Central Africa, BEL, Belgium
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, Seismological Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201705
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