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
M3.1
14.6 miles East of Potter Valley
Original Prediction Parameters
Predicted Location
14.6 miles East of Potter Valley
39.3860°N, 122.8463°W
Forecast Time Window
15th of August 2026
Aug 15, 2026 02:21:47 PST
Predicted Magnitude
M3.1
Predicted value
Focal Depth
15.7 km
Below surface
Prediction Type
Prospective
Live forward-issued before the event
Lead Time
221h 51m
Advance notice before predicted event time
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
63.4 km
Within 100 km tolerance
Time Error
18.3 h
Within 36 h tolerance
Magnitude Error
1.04
Predicted M3.14 vs actual M2.1
- 0.04 over limit
Depth Error
18.2 km
Pred. 15.7 km vs actual 2.5 km
Nearest Event Location
-
Integrity & Provenance
Integrity Fingerprint (SHA-256)
RETROSPECTIVE
d8b50997654ad567a4e7b56309eaf387975922ee8ff77f0caa0e07686e1d87e4
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-39.39--122.85-t10340
Evaluation Protocol
v1
Model Version
v1
Prediction Type
Prospective
Publication Batch (UTC)
Aug 05, 2026 20:30:30 PST
Source Batch
20260805_121735_prediction_JSON_file.json
First Recorded (UTC)
2026-08-05 05:56:28.792256+00:00
Amendment History
No amendments have been recorded for this prediction. Original values are unchanged.