Event occurrence
When the earthquake occurred; this is not a publication clock.
The candidate clock shows feed pickup latency. It does not show that we broke the news or alerted a reader.
Historical candidateRetained source description: M 4.4 - 158 km W of Merizo Village, Guam. Selected as a candidate. There is no verified delivery record.
When the earthquake occurred; this is not a publication clock.
The source timestamp preserved in our audited record.
When our discovery system recorded a candidate; selection and delivery are separate.
USGS numerical event metadata with attribution; original project explanation. No third-party images or copied articles.
Source use policy ↗Manifest 2026-10-08.2. Internally reviewed 2026-10-08. Public deployment approval is separate.
Case content SHA-256: 806250f961dd6cf78c4e76ab6aebc7729bac942f8509ce6196d438830cb12060
Audit ledger SHA-256: 212fdc9699bf7518831eeb2b74262ffdc23340f55dfe985ebe92382bca187688. The frozen ledger preserves the original timestamps; current source revisions do not replace them.