Description
Digitized seismograms and event catalogues from a small observatory that recorded 19 thousand earthquakes, most of them too faint to feel.
Provenance
Rescued from a skip outside a former office in Pinewold. Read once, slowly, on a restored drive. A second pass was not attempted. All files were recovered; 6 damaged sectors were rebuilt from redundant data.
Preservation
- Fixity (SHA-256)
eb8e30742b38eed9b5d4dc9f11ca4e94a65a124f2f77350847e6f33225257efb- Last verified
- Oct 25, 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 under the work’s license.
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: Fernholm Observatory, Seismograms, Fernholm Observatory, 1980–1988 (1980–1988). Lazarus Archive, LZ-38242.