urn:ieda:metadata:for:doi:10.14470/UR044600
eng
dataset
Seismic Network
Interdisciplinary Earth Data Alliance | Lamont Doherty Earth
Observatory | Columbia Univeristy
info@EarthChem.org
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logo
graphic
pointOfContact
ISO 19139 Geographic Information - Metadata - Implementation Specification
2007
urn:ogc:def:crs:EPSG:4326
The Finnish National Seismic Network
2018-04-18
creation
1980
publication
doi:10.14470/UR044600
Institute Of Seismology, University Of Helsinki
missing@unknown.org
author
University Of Helsinki
DataCollector
missing@unknown.org
collaborator
Deutsches GeoForschungsZentrum GFZ
HostingInstitution
missing@unknown.org
distributor
GEOFON Data Centre
DataManager
missing@unknown.org
custodian
Jari Kortström, Jari.Kortstrom@Helsinki.Fi
ContactPerson
missing@unknown.org
pointOfContact
GFZ Data Services
missing@unknown.org
publisher
Abstract: The Institute of Seismology, University of Helsinki (ISUH) was founded in 1961 as a response to the growing public concern for environmental hazards caused by nuclear weapon testing. Since then ISUH has been responsible for seismic monitoring in Finland. The current mandate covers government regulator duties in seismic hazard mitigation and nuclear test ban treaty verification, observatory activities and operation of the Finnish National Seismic Network (FNSN) as well as research and teaching of seismology at the University of Helsinki.The first seismograph station of Finland was installed at the premises of the Department of Physics, University of Helsinki in 1924. However, the mechanical Mainka seismographs had low magnification and thus the recordings were of little practical value for the study of local seismicity. The first short-period seismographs were set up between 1956 and 1963. The next significant upgrade of FNSN occurred during the late 1970’s when digital tripartite arrays in southern and central Finland became fully operational, allowing for systematic use of instrumental detection, location and magnitude determination methods. By the end of the 1990’s, the entire network was operating using digital telemetric or dial-up methods. The FNSN has expanded significantly during the 21st Century. It comprises now 36 permanent stations. Most of the stations have Streckeisen STS-2, Nanometrics Trillium (Compact/P/PA/QA) or Guralp CMG-3T broad band sensors. Some Teledyne-Geotech S13/GS13 short period sensors are also in use. Data acquisition systems are a combination of Earth Data PS6-24 digitizers and PC with Seiscomp/Seedlink software or Nanometrics Centaurs. The stations are connected to the ISUH with Seedlink via Internet and provide continuous waveform data at 40 Hz (array) or 100-250 Hz sampling frequency. Further information about instrumentation can be found at the Institute’s web site (www.seismo.helsinki.fi). Waveform data are available from the GEOFON data centre, under network code HE, and arefully open.
funderName:University of Helsinki
Complete
Jari Kortström, Jari.Kortstrom@Helsinki.Fi
ContactPerson
missing@unknown.org
pointOfContact
.mseed
geophysics
seismology
seismic noise
earthquakes
induced
seismic hazard
broad band
velocity
acceleration
displacement
Monitoring system
GEMET - INSPIRE themes, version 1.0
publication
Seismological stations
Library of Congress Subject Headings
publication
In Situ/Laboratory Instruments > Magnetic/Motion Sensors > Seismometers
GCMD Instruments
publication
In Situ Land-based Platforms > GEOPHYSICAL STATIONS/NETWORKS
GCMD Platforms
publication
Creative Commons Attribution 4.0 International
Creative Commons Attribution 4.0 International
eng
20
32
60
70
Finland
1980-01-01
http://dx.doi.org/10.14470/UR044600
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Stephen M. Richard
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