Geographycounty, tract
Published releaseDecember 2025 v1.20.0
Available records88,386
What you can build
Natural hazard exposure, expected annual loss, risk and available resilience indicators. Use this dataset as a sourced input to an application, analytical model or retrieval tool. Retain its native dimensions when joining it with your own records.
Query FEMA National Risk Index
The example below is a real bounded request against the available release. Replace the environment variable with your server-side API credential. Review endpoint parameters and response schemas before changing selectors.
Verified API request
curl --fail --get "https://api.geoamcan.com/v1/environment?limit=1&dataset=fema&geo_type=county&geoid=01001&metrics=EAL_VALA%2CEAL_VALB%2CEAL_VALP%2CEAL_VALT%2CAVLN_EALB%2CAVLN_EALP" \
-H "Authorization: Bearer $GEOAMCAN_API_KEY"Saved response excerpt
{
"source_attribution": {
"fema": "This product uses the Federal Emergency Management Agency's National Risk Index downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's websites. Source CSV files: https://resilience-fema.hub.arcgis.com/datasets/39485e8035d446a5bff03259508ae355_0.csv, https://resilience-fema.hub.arcgis.com/datasets/9da4eeb936544335a6db0cd7a8448a51_0.csv; retrieved 2026-10-10 UTC."
},
"requested_area": {
"geographic_resolution": "county",
"geoid": "01001"
},
"data": [
{
"dataset": "fema",
"source": "FEMA",
"release": "December 2025 v1.20.0",
"geographic_resolution": "county",
"geoid": "01001",
"geography_vintage": "2021",
"period": "December 2025 v1.20.0",
"naics": "",
"component": "",
"metrics": {
"EAL_VALA": 247418.656865321,
"EAL_VALB": 13853499.6183118,
"EAL_VALP": 0.412821297151556,
"EAL_VALT": 19756570.0508508,
"AVLN_EALB": null,
"AVLN_EALP": null
},
"margins_of_error": {},
"flags": {
"AVLN_EALB": "missing",
"AVLN_EALP": "missing",
"AVLN_EALS": "missing",
"AVLN_EALT": "missing",
"AVLN_EXPB": "missing",
"AVLN_EXPP": "missing",
"CFLD_EALB": "missing",
"CFLD_EALP": "missing",
"CFLD_EALS": "missing",
"CFLD_EALT": "missing",
"CFLD_EXPB": "missing",
"CFLD_EXPP": "missing"
}
}
],
"availability": {
"fema": "available"
},
"next_offset": null,
"returned_count": 1,
"complete": true,
"snapshot": {
"fema": {
"release_id": 14,
"release": "December 2025 v1.20.0",
"fingerprint": "98173121b0168b909852c0aeb5569377"
}
},
"metric_definitions": {
"fema": {
"EAL_VALT": {
"label": "Expected Annual Loss - Total - Composite",
"unit": "USD/year, December 2024 dollars (modeled expected loss)",
"universe": null,
"source_definition": {
"field": {
"name": "EAL_VALT",
"type": "esriFieldTypeDouble",
"alias": "Expected Annual Loss - Total - Composite",
"domain": null,
"sqlType": "sqlTypeOther",
"editable": true,
"nullable": true,
"defaultValue": null,
"isViewOverride": true
},
"release": "December 2025 v1.20.0",
"attribution": "This product uses the Federal Emergency Management Agency's National Risk Index downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's websites."
}
},
"EAL_VALB": {
"label": "Expected Annual Loss - Building Value - Composite",
"unit": "USD/year, December 2024 dollars (modeled expected loss)",
"universe": null,
"source_definition": {
"field": {
"name": "EAL_VALB",
"type": "esriFieldTypeDouble",
"alias": "Expected Annual Loss - Building Value - Composite",
"domain": null,
"sqlType": "sqlTypeOther",
"editable": true,
"nullable": true,
"defaultValue": null,
"isViewOverride": true
},
"release": "December 2025 v1.20.0",
"attribution": "This product uses the Federal Emergency Management Agency's National Risk Index downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's websites."
}
},
"EAL_VALP": {
"label": "Expected Annual Loss - Population - Composite",
"unit": "population loss equivalents/year",
"universe": null,
"source_definition": {
"field": {
"name": "EAL_VALP",
"type": "esriFieldTypeDouble",
"alias": "Expected Annual Loss - Population - Composite",
"domain": null,
"sqlType": "sqlTypeOther",
"editable": true,
"nullable": true,
"defaultValue": null,
"isViewOverride": true
},
"release": "December 2025 v1.20.0",
"attribution": "This product uses the Federal Emergency Management Agency's National Risk Index downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's websites."
}
},
"EAL_VALA": {
"label": "Expected Annual Loss - Agriculture Value - Composite",
"unit": "USD/year, December 2024 dollars (modeled expected loss)",
"universe": null,
"source_definition": {
"field": {
"name": "EAL_VALA",
"type": "esriFieldTypeDouble",
"alias": "Expected Annual Loss - Agriculture Value - Composite",
"domain": null,
"sqlType": "sqlTypeOther",
"editable": true,
"nullable": true,
"defaultValue": null,
"isViewOverride": true
},
"release": "December 2025 v1.20.0",
"attribution": "This product uses the Federal Emergency Management Agency's National Risk Index downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's websites."
}
},
"AVLN_EALB": {
"label": "Avalanche - Expected Annual Loss - Building Value",
"unit": "USD/year, December 2024 dollars (modeled expected loss)",
"universe": null,
"source_definition": {
"field": {
"name": "AVLN_EALB",
"type": "esriFieldTypeDouble",
"alias": "Avalanche - Expected Annual Loss - Building Value",
"domain": null,
"sqlType": "sqlTypeOther",
"editable": true,
"nullable": true,
"defaultValue": null,
"isViewOverride": true
},
"release": "December 2025 v1.20.0",
"attribution": "This product uses the Federal Emergency Management Agency's National Risk Index downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's websites."
}
},
"AVLN_EALP": {
"label": "Avalanche - Expected Annual Loss - Population",
"unit": "population loss equivalents/year",
"universe": null,
"source_definition": {
"field": {
"name": "AVLN_EALP",
"type": "esriFieldTypeDouble",
"alias": "Avalanche - Expected Annual Loss - Population",
"domain": null,
"sqlType": "sqlTypeOther",
"editable": true,
"nullable": true,
"defaultValue": null,
"isViewOverride": true
},
"release": "December 2025 v1.20.0",
"attribution": "This product uses the Federal Emergency Management Agency's National Risk Index downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's websites."
}
}
}
},
"coverage_limitations": {
"fema": []
},
"native_area_contexts": {},
"commuting_flows": []
}Captured 2026-10-26. Excerpt omits pagination credentials and may shorten nested records. Download verified source responses.
Coverage and interpretation
Coverage is limited to published source geographies and releases. Missing, suppressed and unavailable observations must not be treated as zero.
The active release shown here is a catalog snapshot. Check the live catalog and response provenance for current readiness. The underlying public source and Geoamcan access terms are separate; consult the source’s licensing and attribution requirements.
Source and methodology
Source: FEMA. Geoamcan is an independent API provider, with no agency affiliation or endorsement. Read our data methodology for source handling, geographic joins and update practices.
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