International Registry of Seismograph Stations
maintained jointly by
International Seismological Centre & World Data Center for Seismology, Denver
| Code: PTRM Latitude: 35.65470 Longitude: -120.21100 Elevation: 643.0 Depth: Name: Twissleman Ranch Region: California,U.S.A. Status: |
| 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 |