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
M2.4
2.3 miles North of Brown
Original Prediction Parameters
Predicted Location
2.3 miles North of Brown
35.8640°N, 117.8988°W
Forecast Time Window
30th of April 2026
Apr 30, 2026 19:41:16 PST
Predicted Magnitude
M2.4
Predicted value
Focal Depth
9.2 km
Below surface
Prediction Type
Prospective
Live forward-issued before the event
Lead Time
5h 21m
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
12.5 km
Within 100 km tolerance
Time Error
0.2 h
Within 36 h tolerance
Magnitude Error
0.33
Predicted M2.43 vs actual M2.1
Depth Error
11.2 km
Pred. 9.2 km vs actual 2.0 km
Matched Event Location
-
Integrity & Provenance
Integrity Fingerprint (SHA-256)
RETROSPECTIVE
bc0533aca16740a4d681405ed0b5935a84b833c6dbff077eb348c6db7579c258
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
20260430_071942_pred-35.86--117.90-20260430T1941
Evaluation Protocol
v1
Model Version
v1
Prediction Type
Prospective
Publication Batch (UTC)
Apr 30, 2026 14:19:44 PST
Source Batch
20260430_071942_prediction_JSON_file.json
First Recorded (UTC)
2026-06-18 07:47:27.783599+00:00
Amendment History
No amendments have been recorded for this prediction. Original values are unchanged.