Description
Digitized seismograms and event catalogues from a small observatory that recorded 12 thousand earthquakes, most of them too faint to feel.
Provenance
Transferred from the backlog of unread media at a partner archive. Everything was recovered, with a few damaged files repaired from a second copy.
Preservation
- Fixity (SHA-256)
837c74511fb4be0960f44e6c28c2349e8955cfa8806b0ed49c6572d153322076- Last verified
- Oct 14, 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: Millfield Falls Observatory, Seismograms, Millfield Falls Observatory, 2014–2023 (2014–2023). Lazarus Archive, LZ-36347.