Description
Digitized seismograms and event catalogues from a small observatory that recorded 7 thousand earthquakes, most of them too faint to feel.
Provenance
Donated by the creator’s family in 2018. A few hundred bad sectors were retried until all but a handful read. All of the work survives. The repairs are listed in the record’s damage map.
Preservation
- Fixity (SHA-256)
13ebfe69d62a56e9db19a38c9bb86a57754e3b963700a0067a5d6d74cbd76c81- Last verified
- Oct 6, 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: Birchwater Harbour Observatory, Seismograms, Birchwater Harbour Observatory, 1988–1989 (1988–1989). Lazarus Archive, LZ-28969.