Description
Digitized seismograms and event catalogues from a small observatory that recorded 21 thousand earthquakes, most of them too faint to feel.
Provenance
Found during a house clearance in Aldermont Harbour and passed to Lazarus. The service’s own export format was undocumented and was worked out from the data. Reassembled from fragments spread across several carriers.
Preservation
- Fixity (SHA-256)
c79d2cb7f23fd5079703090cce5e18663b9790aadd8a9a0b113454d927a2ad31- Last verified
- Oct 1, 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
- None. Captured over the network.
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: Ironhurst Falls Observatory, Seismograms, Ironhurst Falls Observatory, 2009–2010 (2009–2010). Lazarus Archive, LZ-11601.