International Registry of Seismograph Stations
maintained jointly by
International Seismological Centre & World Data Center for Seismology, Denver

Station details:
================

Code: CHK
Latitude:  41.78890
Longitude:  -87.59920
Elevation:   180.0
Depth: 
Name: Chicago
Region: Illinois,U.S.A.
Status: 
 

Station comments:
=================

1918-1967

Data at the ISC for 45 years between 1919 and 1967.
International Seismological Centre
Pipers Lane, Thatcham, Berkshire
United Kingdom RG19 4NS
voice: +44 (0)1635 861022
fax: +44 (0)1635 872351

web site: http://www.isc.ac.uk/
e-mail: station_reg@isc.ac.uk