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
M2.7
10.3 miles East of Potter Valley
Original Prediction Parameters
Predicted Location
10.3 miles East of Potter Valley
39.3435°N, 122.9165°W
Forecast Time Window
2nd of May 2026
May 02, 2026 10:36:49 PST
Predicted Magnitude
M2.7
Predicted value
Focal Depth
3.2 km
Below surface
Prediction Type
Prospective
Live forward-issued before the event
Lead Time
84h 7m
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
57.1 km
Within 100 km tolerance
Time Error
14.0 h
Within 36 h tolerance
Magnitude Error
0.20
Predicted M2.7 vs actual M2.9
Depth Error
7.5 km
Pred. 3.2 km vs actual 4.3 km
Matched Event Location
-
Integrity & Provenance
Integrity Fingerprint (SHA-256)
RETROSPECTIVE
6010147009943cc6f3cd46dc946408aa5ccf7228969f1f84dc0d6e549a0b2270
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_152924_pred-39.34--122.92-20260502T1036
Evaluation Protocol
v1
Model Version
v1
Prediction Type
Prospective
Publication Batch (UTC)
Apr 28, 2026 22:29:28 PST
Source Batch
20260428_152924_prediction_JSON_file.json
First Recorded (UTC)
2026-06-18 07:48:01.709044+00:00
Amendment History
No amendments have been recorded for this prediction. Original values are unchanged.