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
M3.4
23.3 miles South of Tracy
Original Prediction Parameters
Predicted Location
23.3 miles South of Tracy
37.4210°N, 121.2888°W
Forecast Time Window
26th of July 2026
Jul 26, 2026 04:38:25 PST
Predicted Magnitude
M3.4
Predicted value
Focal Depth
7.3 km
Below surface
Prediction Type
Prospective
Live forward-issued before the event
Lead Time
1615h 10m
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
53.1 km
Within 100 km tolerance
Time Error
27.6 h
Within 36 h tolerance
Magnitude Error
0.50
Predicted M3.4 vs actual M2.9
Depth Error
13.0 km
Pred. 7.3 km vs actual 5.7 km
Matched Event Location
-
Integrity & Provenance
Integrity Fingerprint (SHA-256)
RETROSPECTIVE
d979b807b89a065d7c0f1adf45b2ce59d3a420712262a8be56c13484321c7ce6
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
20260519_142756_pred-37.42--121.29-20260726T0438
Evaluation Protocol
v1
Model Version
v1
Prediction Type
Prospective
Publication Batch (UTC)
May 19, 2026 21:28:00 PST
Source Batch
20260519_142756_prediction_JSON_file.json
First Recorded (UTC)
2026-06-18 07:45:38.949303+00:00
Amendment History
No amendments have been recorded for this prediction. Original values are unchanged.