Description
Digitized seismograms and event catalogues from a small observatory that recorded 16 thousand earthquakes, most of them too faint to feel.
Provenance
Found in a school storeroom when the building was cleared. The drive spun up and was imaged behind a write blocker in a single pass. Every sector was recovered on the first or second read.
Preservation
- Fixity (SHA-256)
4c7f141f22555a597154a0eef9356ee3c8c2858d24d203d6d9f30720ecfd5336- Last verified
- Oct 19, 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: East Longton Observatory, Seismograms, East Longton Observatory, 1985–2003 (1985–2003). Lazarus Archive, LZ-33498.