Description
Digitized seismograms and event catalogues from a small observatory that recorded 15 thousand earthquakes, most of them too faint to feel.
Provenance
Found in a school storeroom when the building was cleared. Every sector was recovered on the first or second read.
Preservation
- Fixity (SHA-256)
01200774036947a448d62f0e9c5b302c6020b0b9f168d08190cda4bae70a1b68- Last verified
- Oct 20, 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: Ironfield Observatory, Seismograms, Ironfield Observatory, 2011–2013 (2011–2013). Lazarus Archive, LZ-15919.