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
M2.8
14.2 miles East of Potter Valley
Original Prediction Parameters
Predicted Location
14.2 miles East of Potter Valley
39.3545°N, 122.8445°W
Forecast Time Window
28th of April 2026
Apr 28, 2026 17:18:48 PST
Predicted Magnitude
M2.8
Predicted value
Focal Depth
6.3 km
Below surface
Prediction Type
Prospective
Live forward-issued before the event
Location Map
Predicted epicentre
Nearest Recorded Event
⚠ Preliminary - subject to revision when the pipeline confirms the result
This is the recorded earthquake closest to qualifying. It fell outside one or more tolerances, so the prediction is graded a false positive. Parameters within tolerance are shown in green; those outside are in red.
Distance Error
156.2 km
56.1 km over 100 km limit
Time Error
8.3 h
Within 36 h tolerance
Magnitude Error
0.35
Predicted M2.85 vs actual M2.5
Depth Error
16.3 km
Pred. 6.3 km vs actual 10.0 km
Nearest Event Location
-
Integrity & Provenance
Integrity Fingerprint (SHA-256)
RETROSPECTIVE
a8de56d3a742ce406ccc876e93dbb5ff086474f606916d83221ff55a5392b961
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
20260428_171959_pred-39.35--122.84-20260428T1718
Evaluation Protocol
v1
Model Version
v1
Prediction Type
Prospective
Publication Batch (UTC)
Apr 29, 2026 00:20:02 PST
Source Batch
20260428_171959_prediction_JSON_file.json
First Recorded (UTC)
2026-06-18 07:48:04.688717+00:00
Amendment History
No amendments have been recorded for this prediction. Original values are unchanged.