Permanent Prediction Record
×
Window Elapsed
No Match Found
The forecast window has closed. No qualifying seismic event was recorded within the predicted parameters.
Predicted Magnitude
M2.2
22.3 miles South of Tracy
Original Prediction Parameters
Predicted Location
22.3 miles South of Tracy
37.4309°N, 121.3087°W
Forecast Time Window
26th of July 2026
Jul 26, 2026 08:31:55 PST
Predicted Magnitude
M2.2
Predicted value
Focal Depth
5.2 km
Below surface
Prediction Type
Prospective
Live forward-issued before the event
Lead Time
94h 6m
Advance notice before predicted event time
Location Map
Predicted epicentre
Matched Earthquake
⚠ Preliminary - subject to revision when the pipeline confirms the result
A recorded earthquake fell within every matching tolerance, so this prediction is graded a true positive. Each parameter below shows how close the match was.
Distance Error
53.0 km
Within 100 km tolerance
Time Error
15.2 h
Within 36 h tolerance
Magnitude Error
0.19
Predicted M2.21 vs actual M2.4
Depth Error
9.0 km
Pred. 5.2 km vs actual 3.8 km
Matched Event Location
-
Integrity & Provenance
Integrity Fingerprint (SHA-256)
RETROSPECTIVE
64fd01de24fe925fe627177926910fda5ebd1951486da2ac6521782567bd8c7f
This prediction was ingested before fingerprinting was introduced. The value above is a retrospective fingerprint computed from the current stored fields - it reflects the current state, not a preserved original snapshot. Future predictions will carry an immutable fingerprint set at ingestion time.
Prediction ID
20260720_202432_pred-37.43--121.31-20260726T0831
Evaluation Protocol
v1
Model Version
v1
Prediction Type
Prospective
Publication Batch (UTC)
Jul 22, 2026 10:25:41 PST
Source Batch
20260720_202432_prediction_JSON_file.json
First Recorded (UTC)
2026-07-22 10:25:42.795406+00:00
Amendment History
No amendments have been recorded for this prediction. Original values are unchanged.