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
M2.5
4.3 miles South-West of Brentwood
Original Prediction Parameters
Predicted Location
4.3 miles South-West of Brentwood
37.8925°N, 121.7572°W
Forecast Time Window
1st of August 2026
Aug 01, 2026 04:17:13 PST
Predicted Magnitude
M2.5
Predicted value
Focal Depth
7.6 km
Below surface
Prediction Type
Prospective
Live forward-issued before the event
Lead Time
5h 23m
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
106.6 km
Within 125 km tolerance
Time Error
6.6 h
Within 48 h tolerance
Magnitude Error
0.17
Predicted M2.47 vs actual M2.3
Depth Error
14.0 km
Pred. 7.6 km vs actual 6.4 km
Matched Event Location
-
Integrity & Provenance
Integrity Fingerprint (SHA-256)
RETROSPECTIVE
63c468b6fe9c87a7a824757fe405be0a84461b87c4004d35b4b7a80b5381602a
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
loc-37.89--121.76-t10333
Evaluation Protocol
v1
Model Version
v1
Prediction Type
Prospective
Publication Batch (UTC)
Jul 31, 2026 22:53:35 PST
Source Batch
20260731_133613_prediction_JSON_file.json
First Recorded (UTC)
2026-07-31 22:53:36.323059+00:00
Amendment History
No amendments have been recorded for this prediction. Original values are unchanged.