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VOLCANIC ERUPTION, MT. ST. HELENS
FEMA disaster 623 · Volcanic Eruption · declared May 21, 1980
Incident type
Volcanic Eruption
Declaration type
Major Disaster (DR)
Incident began
May 21, 1980
Incident ended
May 21, 1980
Federal assistance authorized
Individual Assistance · Public Assistance
Counties covered (39)
Adams CountyAsotin CountyBenton CountyChelan CountyClallam CountyClark CountyColumbia CountyCowlitz CountyDouglas CountyFerry CountyFranklin CountyGarfield CountyGrant CountyGrays Harbor CountyIsland CountyJefferson CountyKing CountyKitsap CountyKittitas CountyKlickitat CountyLewis CountyLincoln CountyMason CountyOkanogan CountyPacific CountyPend Oreille CountyPierce CountySan Juan CountySkagit CountySkamania CountySnohomish CountySpokane CountyStevens CountyThurston CountyWahkiakum CountyWalla Walla CountyWhatcom CountyWhitman CountyYakima County
Source: OpenFEMA Disaster Declarations Summaries. "Federal assistance authorized" lists which FEMA programs were made available; it is not a measure of damage or of money spent.