Description
Digitized seismograms and event catalogues from a small observatory that recorded 15 thousand earthquakes, most of them too faint to feel.
Provenance
Sent to Lazarus by post, with a note asking whether anything could be saved. The drive’s circuit board had failed and was replaced with one from a matching drive. Rebuilt from 2 damaged copies, none of them complete on its own.
Preservation
- Fixity (SHA-256)
152def1af7cc65bc62b8de6b584ec9f3de7c4e2b0af7461935652868ed85de9e- Last verified
- Oct 29, 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: Larkwater Falls Observatory, Seismograms, Larkwater Falls Observatory, 1986–1990 (1986–1990). Lazarus Archive, LZ-03811.