Prediction Details
Hazard Type:
Earthquake
Region:
Tonga
Location:
-20.00, -175.00
Risk Score:
85.0
Risk Level:
HIGH
Confidence:
91%
Predicted At:
2026-09-18 18:05:11 UTC
Hash Chain Proof
Chain Index:
15770
SHA-256 Hash:
dc889f885a49d19229ccea86a564e87e08bbd6840656f49c2c01ab076fa5f652
Previous Hash:
50aa5c8654b74571876833d8d81ca0833e642648edffad50e484fec368037a5b
Matched Real-World Event
Event:
M4.9 earthquake - 85 km W of Hihifo, Tonga
Magnitude:
M4.9
Observed At:
2026-09-20 00:33:21 UTC
Source:
USGS
Match Distance:
451.2 km
Lead Time:
30.5 hours