FEMADR-4398-GUMajor disasterDeclared October 1, 2018
DR-4398-GU: Guam Typhoon Mangkhut
FEMA made a major disaster declaration for Guam (DR-4398-GU) on October 1, 2018 for the incident of September 10, 2018 to September 11, 2018; it covers 1 designated area. FEMA had approved obligated $7.3 million in Public Assistance (as of September 25, 2026).
The declaration
- Declaration
- DR-4398-GU (also written FEMA-4398-DR)
- Type
- Major disaster declaration
- State
- Guam
- Incident
- Typhoon: Typhoon Mangkhut
- Incident period
- September 10, 2018 to September 11, 2018
- Declared
- October 1, 2018
- Programs declared
- Public Assistance, Hazard Mitigation
- FEMA region
- 9
- Place in the year
- the only major disaster declaration for Guam in 2018
- Status
- open (not yet closed out by FEMA)
Source: FEMA, OpenFEMA Disaster Declarations Summaries (v2). Data as of September 29, 2026.
Which areas are covered, and for what?
| Designated area | Individuals and Households | Public Assistance | Hazard Mitigation |
|---|---|---|---|
| Guam (County-equivalent) | — | Yes | Yes |
An area can be added to a declaration after the first day, or have a program added: this table is FEMA's current list.
Source: FEMA, OpenFEMA Disaster Declarations Summaries (v2). Data as of September 29, 2026.
How much has FEMA approved?
$7.3 millionPublic Assistance obligated
$1.3 millionHazard Mitigation Grant Program obligated
Individual assistance figures as of n/a, public assistance as of September 25, 2026. FEMA updates both as applications are decided.
Source: FEMA, OpenFEMA Disaster Declarations Summaries (v2); FEMA, OpenFEMA FEMA Web Disaster Summaries (v1). Data as of September 29, 2026.
Source: FEMA, OpenFEMA Disaster Declarations Summaries (v2). Data as of September 29, 2026.
FEMA's page for this declaration
FEMA's own page for this declaration is fema.gov/disaster/4398. AreaZine is not FEMA and cannot answer questions about an application.