SERIES · INFRASTRUCTURE & CATASTROPHE RISK
EWI#13 Significant earthquakes (M6.5+, 7-day)
Early-warning indicator EWI#13 reads Significant earthquakes (M6.5+, 7-day) against a threshold of Within seasonal norm, computed every morning from the Dashboard's feeds.
Reading and history
The latest value with its seven- and thirty-day change, the full history on file, and the last thirty observations as a table.
1.00value · 2026-09-12
Not yetNo observation seven days earlier on file
Not yetNo observation thirty days earlier on file
1 eventDashboard reading · threshold Within seasonal normGREEN
The Dashboard reads 1 event against a threshold of Within seasonal norm and shows GREEN. Pathway M9: Hazard EWI; cadence hourly.
5 OBSERVATIONS · 2026-09-08 TO 2026-09-12USGS (T2) · DAILY VALUES
The last 5 observations as a table
| Date | Value |
|---|---|
| 2026-09-12 | 1.00 |
| 2026-09-11 | 0.00 |
| 2026-09-10 | 0.00 |
| 2026-09-09 | 0.00 |
| 2026-09-08 | 0.00 |
About this series
Where the readings come from, how the source is graded, how often it updates, and what to bear in mind.
SourceUSGS
On the Dashboard: Early Warning tab
On the Dashboard: Early Warning tab
TierT2
CadenceHourly, computed by the AEGEAN-OS M9 model from the Dashboard feeds; nothing is backfilled.
PathwayM9: Hazard EWI
CaveatsThresholds are the firm's, per the M9 model, and may be revised; a revision changes future readings only. A GRAY indicator has no live source and is shown so the coverage gap is visible.
Download and cite
The package this series ships in, its checksum, and the citation line.
The package is not published yet. The early-warning history packages itself as
ewi-history once seven daily lines exist (5 of 7 collected). Until then the daily file the Dashboard reads is served as is at ewi_history.jsonl, without a checksum or a citation line.Claims that resolve against this series
Forward claims on the ledger whose outcome is read from these values.
No claim on the ledger resolves against this series yet.