USGS issues volcano notice

United States

PROCESSING CONFIDENCE80%Model confidence in the classification from supplied reports

COVERAGE2 reports1 publisher domain

FIRST DETECTEDSep 10, 2026, 11:46 PM UTCFirst time DoomRadar attached a report to this event

LAST MATERIAL CHANGENo later material changeRoutine duplicate coverage does not count as a material update

WHAT HAPPENED

The USGS has issued a volcano notice dated September 10, 2026. The supplied information does not identify the volcano, alert level or observed hazard.

SO WHAT?

Volcanic activity can rapidly affect nearby communities, aviation and critical infrastructure, but the scale of this notice is unclear.

SCORE CONTEXT

Why 30 is a localized score

3021–40

A score of 30 sits in DoomRadar's 21–40 band, which represents localized disruption. The score estimates potential severity and wider impact; it is not a probability or a forecast of losses.

See scoring methodology →

EVIDENCE

How much reporting is behind this event

2REPORTS

1PUBLISHER DOMAINS

80%PROCESSING CONFIDENCE

Processing confidence reflects the model's confidence in its event classification from the supplied reports. It does not mean every claim in every linked report is independently verified.

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