Description
Digitized seismograms and event catalogues from a small observatory that recorded 9 thousand earthquakes, most of them too faint to feel.
Provenance
Donated by the creator’s family in 2018. Read once, slowly, on a restored drive. A second pass was not attempted. Everything was recovered, with a few damaged files repaired from a second copy.
Preservation
- Fixity (SHA-256)
17da38d2e42004be1811328a65d109c94d368c574ffb0203e06befbb9ce0aa35- Last verified
- Oct 30, 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: Hazelbridge Falls Observatory, Seismograms, Hazelbridge Falls Observatory, 1985–1995 (1985–1995). Lazarus Archive, LZ-26822.