What The Event Categories Mean
Categories describe the kind of event reported; families group them. The list below is read live from the registry.
What a category means
Categories describe the kind of event reported. Families group related categories. Categories are assigned from the reporting and may be corrected; they do not express a ranking of a source or a prediction. The list below reads the current registry rather than a separately maintained copy.
Kinetic — air & missile
- air defence engagement
- airspace intercept or fighter scramble
- airspace violation
- airstrike
- drone strike
- missile strike
- unattributed ballistic launch
Kinetic — ground
- armored movement
- artillery / shelling
- cross-border incursion
- force massing
- ground assault
- IED / mine incident
- naval-adjacent troop deployment
- withdrawal
Kinetic — naval
- chokepoint traffic disruption
- naval blockade
- naval deployment
- naval engagement
- undersea infrastructure damage
- vessel attacked
Terrorism & mass violence
- armed attack on civilians
- attack on place of worship
- bombing
- hijacking or attack on board
- hostage / siege
- interdicted plot
- mass-casualty attack
CBRN & catastrophic
- biological release
- CBRN materials seizure
- chemical agent release
- nuclear detonation indicator
- nuclear facility incident
- radiological release
Political rupture
- assassination — head of state
- assassination — political figure
- assassination — senior official
- border / migration surge
- candidates barred / opposition excluded
- contested election / annulment
- coup / seizure of power
- detention of foreign nationals / espionage claim
- diplomatic rupture / expulsion
- government collapse / resignation
- state of emergency / martial law
- violent mass protest
Transport disaster
- airliner crash
- aviation accident (not an airliner)
- aviation emergency / diversion
- maritime disaster (non-attack)
- military aircraft loss
- rail disaster
- road disaster
Natural hazard
- avalanche / landslide
- earthquake
- flood
- industrial accident
- storm / cyclone
- structural failure
- tsunami warning
- volcanic activity
- wildfire
Biological & health
- disease outbreak
- mass casualty — non-conflict
- novel pathogen signal
- public health emergency declaration
Signals & anomaly
- BGP anomaly / route hijack
- GNSS interference
- internet disruption
- power grid anomaly
- undersea cable disruption
- unexplained absence
Market & economic shock
- bank failure
- commodity shock
- currency collapse
- energy supply disruption
- equity dislocation
- exchange halt
- sanctions action
- sovereign default / downgrade
- sovereign spread blowout
- volatility spike