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.
3.00value · 2026-10-28
+2.00 (+200.0%)Change over seven days · from 2026-10-21
+2.00 (+200.0%)Change over thirty days · from 2026-09-28
3 eventsDashboard reading · threshold Within seasonal normAMBER
The Dashboard reads 3 events against a threshold of Within seasonal norm and shows AMBER. Pathway M9: Hazard EWI; cadence hourly.
50 OBSERVATIONS · 2026-09-08 TO 2026-10-28USGS (T2) · DAILY VALUES
The last 30 observations as a table
| Date | Value |
|---|---|
| 2026-10-28 | 3.00 |
| 2026-10-27 | 5.00 |
| 2026-10-26 | 5.00 |
| 2026-10-25 | 5.00 |
| 2026-10-24 | 2.00 |
| 2026-10-23 | 1.00 |
| 2026-10-22 | 1.00 |
| 2026-10-21 | 1.00 |
| 2026-10-20 | 2.00 |
| 2026-10-19 | 3.00 |
| 2026-10-18 | 3.00 |
| 2026-10-17 | 3.00 |
| 2026-10-16 | 5.00 |
| 2026-10-15 | 4.00 |
| 2026-10-14 | 4.00 |
| 2026-10-13 | 3.00 |
| 2026-10-12 | 2.00 |
| 2026-10-11 | 2.00 |
| 2026-10-10 | 2.00 |
| 2026-10-09 | 0.00 |
| 2026-10-08 | 0.00 |
| 2026-10-07 | 0.00 |
| 2026-10-06 | 0.00 |
| 2026-10-05 | 0.00 |
| 2026-10-04 | 0.00 |
| 2026-10-03 | 0.00 |
| 2026-10-02 | 1.00 |
| 2026-10-01 | 1.00 |
| 2026-09-30 | 1.00 |
| 2026-09-29 | 1.00 |
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.
Packageewi-history · version 2026-10-28
SHA-256 of data.csv
b5b3099d28231634b9d514ab5de7da90e4f832c940efb96537efcc60c843b394Aegean Intelligence Group, "Early-warning indicator history", series EWI#13 Significant earthquakes (M6.5+, 7-day) (SER-EWI-13), open data package ewi-history, version 2026-10-28, aegeanintel.com/data/series/ewi-13/. Free to use with attribution; no warranty.
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.