Description
Digitized seismograms and event catalogues from a small observatory that recorded 11 thousand earthquakes, most of them too faint to feel.
Provenance
Donated by the creator in 2012. The disks had been stored beside a loudspeaker, and one track on each was weak. The image matches a checksum published by the original distributor.
Preservation
- Fixity (SHA-256)
9661b6fb8ad36de7c2ded247f9408843b00589c454a8e97643cb7f47171ef869- Last verified
- Oct 15, 2026, by Vigil
- Migrated to
- CSV with a data dictionary, with the original files kept
- Copies
- Three, on two kinds of storage, in two cities
- Original carriers
- Kept in cold storage in Vancouver
Access
Free, in the Lazarus reading room in Vancouver and in partner reading rooms. Copies may be taken away.
Reading-room copies are migrated to CSV with a data dictionary, with the original files kept. The recovered files are kept exactly as they were found.
Cite as: Granmore Springs Observatory, Seismograms, Granmore Springs Observatory, 1981–1982 (1981–1982). Lazarus Archive, LZ-16836.