GDACS flood geometries and observation index — Nepal, FL1104124 | Publicly Available Data Resources for the 2026 Nepal Glacier-Related Hazard Cascade

Resource details

Summary: Official event record, episode geometry classes and dated satellite flood observations associated with GDACS FL1104124.
Review findings: Automated screening suggests potential eligibility. Official event and geometry endpoints, report-linked satellite service and exhaustive matching object-ID/attribute retrieval establish dated event-associated observation records. GDACS affected/global area polygons and event centroid are contextual geometries, not measured flood extent. Some satellite records predate 26 August. Polygon-part counts are not independent satellite observations. Source Sendai impact entries contain date inconsistencies and were not adopted as validated impact totals. Independent human screening and manuscript inclusion remain pending. All 7 asset metadata records were assessed in REV-20260907-ASSETS-001; 2 have flagged follow-up. Asset screening and field evidence are available in the metadata review export. This does not assign resource eligibility or manuscript inclusion.
Record type: Derived Product Or Context Collection
Provider role: Producer And Or Distributor As Documented
Original language: English
First identified: 6 September 2026
Geographic coverage: Provider-defined Nepal event area or intersecting global tiles; exact source extents retained with asset metadata.
Temporal coverage: Source-defined event products and historical context; component dates require source-specific interpretation.
Collection licence: Not stated
Redistribution: Metadata and links only; third-party files are not redistributed
Source record: Open the source record
Metadata sources: Source 1: www.gdacs.org
Source 2: www.gdacs.org

Inventory

All 7 asset metadata records have been assessed. 2 have flagged follow-up. Read the screening method and findings.

Listed assets: 7
Provider-stated total: Not stated
Assets naming another contributor: 0
Confirmed reachable without registration: 5 of 7
Unavailable endpoints: 0

Listed assets

Download CSV

GDACS event metadata — Nepal flood FL1104124

Not statedJSON

Open source asset

Listed contributor

GDACS

Classification

Event Metadata

Not Stated

Supporting asset · Metadata assessed 6 September 2026

Reachable without registration · Direct Open · checked 6 September 2026

Screening findings and extracted metadata

Automated metadata and technical review. Resource eligibility and manuscript inclusion are separate decisions.

Inspection basis: Metadata Reviewed Body Not Inspected
Temporal assessment: Not Resolved From Asset Dates
Provider: GDACSSource Recorded · source · catalogue contributor
Dataset family: GDACS FL1104124Source Recorded · source · catalogue dataset family
Rights statement: Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.Source Recorded · source · catalogue rights_note
File coordinate system: Not applicable to this asset role
File pixel spacing: Not applicable to this asset role
HTTP response size: 9241Observed Http · source · HTTP HEAD Content-Length or Content-Range total; compressed transfer length may differ
Linked file format: JSONObserved Http · source · Successful response Content-Type; no content validation implied
Source identifier: geteventdataDerived From Metadata · source · Source URL component identifier; not a DOI or independent scene identity
Source observation start: Not stated
Source observation end: Not stated
Source bounds (west, south, east, north): Not stated
Licence identifier: Not stated

Source acquisition dates, footprint and resolution describe the parent observation; they do not establish georeferencing or pixel spacing for this preview or metadata file.
GDACS event envelopes and contextual maps are not observed inundation footprints. Geometry parts and index entries are not independent field observations.

Download screening decisions · Download all metadata and field sources

Catalogue details

Original source title: GDACS event metadata
Asset reference: acand_5b849de8-7f17-583a-9f61-d4d3f95465b6
Host / aggregator: GDACS
Relationship to record: Component of the source product.
Upstream source: GDACS
Upstream evidence: source attribution documented; independent verification not performed
Dataset family: GDACS FL1104124
Acquisition date: Not stated
Spatial resolution: Not stated
Access result: Reachable without registration on 6 September 2026
Provenance: Under review
Rights: Not stated — Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.
Redistribution: Not redistributed by this catalogue
Production method: Automated source-metadata screening. No independent human review. Unchecked file URLs have an inventory timestamp only.

Source metadata

Component of the source product. {}

Evidence: source 1

GDACS episode 1 metadata — Nepal flood FL1104124

Not statedJSON

Open source asset

Listed contributor

GDACS

Classification

Event Metadata

Not Stated

Supporting asset · Metadata assessed 6 September 2026

Reachable without registration · Direct Open · checked 6 September 2026

Screening findings and extracted metadata

Automated metadata and technical review. Resource eligibility and manuscript inclusion are separate decisions.

Inspection basis: Metadata Reviewed Body Not Inspected
Temporal assessment: Not Resolved From Asset Dates
Provider: GDACSSource Recorded · source · catalogue contributor
Dataset family: GDACS FL1104124Source Recorded · source · catalogue dataset family
Rights statement: Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.Source Recorded · source · catalogue rights_note
File coordinate system: Not applicable to this asset role
File pixel spacing: Not applicable to this asset role
HTTP response size: 9241Observed Http · source · HTTP HEAD Content-Length or Content-Range total; compressed transfer length may differ
Linked file format: JSONObserved Http · source · Successful response Content-Type; no content validation implied
Source identifier: getepisodedataDerived From Metadata · source · Source URL component identifier; not a DOI or independent scene identity
Source observation start: Not stated
Source observation end: Not stated
Source bounds (west, south, east, north): Not stated
Licence identifier: Not stated

Source acquisition dates, footprint and resolution describe the parent observation; they do not establish georeferencing or pixel spacing for this preview or metadata file.
GDACS event envelopes and contextual maps are not observed inundation footprints. Geometry parts and index entries are not independent field observations.

Download screening decisions · Download all metadata and field sources

Catalogue details

Original source title: GDACS episode1 metadata
Asset reference: acand_99d5d908-a088-5863-9598-48512e35100b
Host / aggregator: GDACS
Relationship to record: Component of the source product.
Upstream source: GDACS
Upstream evidence: source attribution documented; independent verification not performed
Dataset family: GDACS FL1104124
Acquisition date: Not stated
Spatial resolution: Not stated
Access result: Reachable without registration on 6 September 2026
Provenance: Under review
Rights: Not stated — Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.
Redistribution: Not redistributed by this catalogue
Production method: Automated source-metadata screening. No independent human review. Unchecked file URLs have an inventory timestamp only.

Source metadata

Component of the source product. {}

Evidence: source 1

GDACS episode 1 centroid and area classes — Nepal flood FL1104124

Not statedJSON

Open source asset

Listed contributor

GDACS

Classification

Event Context Geometry

Not Stated

Data candidate · Metadata assessed 6 September 2026

Reachable without registration · Direct Open · checked 6 September 2026

Screening findings and extracted metadata

Automated metadata and technical review. Resource eligibility and manuscript inclusion are separate decisions.

Inspection basis: Metadata Reviewed Body Not Inspected
Temporal assessment: Not Resolved From Asset Dates
Provider: GDACSSource Recorded · source · catalogue contributor
Dataset family: GDACS FL1104124Source Recorded · source · catalogue dataset family
Rights statement: Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.Source Recorded · source · catalogue rights_note
HTTP response size: 177459Observed Http · source · HTTP HEAD Content-Length or Content-Range total; compressed transfer length may differ
Linked file format: JSONObserved Http · source · Successful response Content-Type; no content validation implied
Source identifier: getgeometryDerived From Metadata · source · Source URL component identifier; not a DOI or independent scene identity
File coordinate system: Not stated
File pixel spacing: Not stated
Source observation start: Not stated
Source observation end: Not stated
Source bounds (west, south, east, north): Not stated
Licence identifier: Not stated

GDACS event envelopes and contextual maps are not observed inundation footprints. Geometry parts and index entries are not independent field observations.

Download screening decisions · Download all metadata and field sources

Catalogue details

Original source title: GDACS episode1 centroid and area classes
Asset reference: acand_2daf0d60-a98e-5272-974b-727097935693
Host / aggregator: GDACS
Relationship to record: Component of the source product.
Upstream source: GDACS
Upstream evidence: source attribution documented; independent verification not performed
Dataset family: GDACS FL1104124
Acquisition date: Not stated
Spatial resolution: Not stated
Access result: Reachable without registration on 6 September 2026
Provenance: Under review
Rights: Not stated — Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.
Redistribution: Not redistributed by this catalogue
Production method: Automated source-metadata screening. No independent human review. Unchecked file URLs have an inventory timestamp only.

Source metadata

Component of the source product. {}

Evidence: source 1

GDACS satellite observation attributes — Nepal flood FL1104124

Not statedJSON

Open source asset

Listed contributor

GDACS

Classification

Satellite Observation Index

Not Stated

Data candidate · Metadata assessed 6 September 2026

Reachable without registration · Direct Open · checked 6 September 2026

Screening findings and extracted metadata

Automated metadata and technical review. Resource eligibility and manuscript inclusion are separate decisions.

Inspection basis: Metadata Reviewed Body Not Inspected
Temporal assessment: Not Resolved From Asset Dates
Provider: GDACSSource Recorded · source · catalogue contributor
Dataset family: JRC GDACS / GFMSource Recorded · source · catalogue dataset family
Rights statement: Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.Source Recorded · source · catalogue rights_note
Service attribute fields: [{"name":"OBJECTID","type":"esriFieldTypeOID","alias":"OBJECTID","length":8},{"name":"eventid","type":"esriFieldTypeInteger","alias":"eventid"},{"name":"eventtype","type":"esriFieldTypeString","alias":"eventtype","length":5},{"name":"referencedate","type":"esriFieldTypeDate","alias":"intensity","length":8},{"name":"referencename","type":"esriFieldTypeString","alias":"referencename","length":150},{"name":"overall","type":"esriFieldTypeSmallInteger","alias":"shakeid"},{"name":"layertype","type":"esriFieldTypeString","alias":"polygonlabel","length":250},{"name":"datemodified","type":"esriFieldTypeDate","alias":"datemodified","length":8},{"name":"dateadded","type":"esriFieldTypeDate","alias":"dateadded","length":8},{"name":"SHAPE.STArea()","type":"esriFieldTypeDouble","alias":"SHAPE.STArea()"},{"name":"SHAPE.STLength()","type":"esriFieldTypeDouble","alias":"SHAPE.STLength()"},{"name":"referencedateint","type":"esriFieldTypeInteger","alias":"referencedateint"}]Source Recorded · source · relationship_to_parent.fields
Linked file format: JSONObserved Http · source · Successful response Content-Type; no content validation implied
Source identifier: queryDerived From Metadata · source · Source URL component identifier; not a DOI or independent scene identity
File coordinate system: Not stated
File pixel spacing: Not stated
Source observation start: Not stated
Source observation end: Not stated
Source bounds (west, south, east, north): Not stated
Licence identifier: Not stated

GDACS event envelopes and contextual maps are not observed inundation footprints. Geometry parts and index entries are not independent field observations.

Download screening decisions · Download all metadata and field sources

Catalogue details

Original source title: GDACS GFM observation attributes — event1104124
Asset reference: acand_6b89a5f2-866e-5e2f-b4a3-ef8f1e1de3b6
Host / aggregator: GDACS
Relationship to record: Component of the source product.
Upstream source: GDACS
Upstream evidence: source attribution documented; independent verification not performed
Dataset family: JRC GDACS / GFM
Acquisition date: Not stated
Spatial resolution: Not stated
Access result: Reachable without registration on 6 September 2026
Provenance: Under review
Rights: Not stated — Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.
Redistribution: Not redistributed by this catalogue
Production method: Automated source-metadata screening. No independent human review. Unchecked file URLs have an inventory timestamp only.

Source metadata

Component of the source product. {"row_count":236,"fields":[{"name":"OBJECTID","type":"esriFieldTypeOID","alias":"OBJECTID","length":8},{"name":"eventid","type":"esriFieldTypeInteger","alias":"eventid"},{"name":"eventtype","type":"esriFieldTypeString","alias":"eventtype","length":5},{"name":"referencedate","type":"esriFieldTypeDate","alias":"intensity","length":8},{"name":"referencename","type":"esriFieldTypeString","alias":"referencename","length":150},{"name":"overall","type":"esriFieldTypeSmallInteger","alias":"shakeid"},{"name":"layertype","type":"esriFieldTypeString","alias":"polygonlabel","length":250},{"name":"datemodified","type":"esriFieldTypeDate","alias":"datemodified","length":8},{"name":"dateadded","type":"esriFieldTypeDate","alias":"dateadded","length":8},{"name":"SHAPE.STArea()","type":"esriFieldTypeDouble","alias":"SHAPE.STArea()"},{"name":"SHAPE.STLength()","type":"esriFieldTypeDouble","alias":"SHAPE.STLength()"},{"name":"referencedateint","type":"esriFieldTypeInteger","alias":"referencedateint"}]}

Evidence: source 1

GDACS population map — Nepal flood FL1104124

Not statedPNG

Listed contributor

GDACS

Classification

Event Context Map

Not Stated

Follow-up needed · Metadata assessed 6 September 2026

File request returned HTML · Unverified · checked 6 September 2026

Expected a file but received HTML; establish an actual data response before use.

Screening findings and extracted metadata

Automated metadata and technical review. Resource eligibility and manuscript inclusion are separate decisions.

Inspection basis: Access Not Verified
Temporal assessment: Not Resolved From Asset Dates
Provider: GDACSSource Recorded · source · catalogue contributor
Dataset family: GDACS FL1104124Source Recorded · source · catalogue dataset family
Linked file format: PNGSource Recorded · source · catalogue file_format
Rights statement: Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.Source Recorded · source · catalogue rights_note
Source identifier: 2rest.pngDerived From Metadata · source · Source URL component identifier; not a DOI or independent scene identity
File coordinate system: Not stated
File pixel spacing: Not stated
Source observation start: Not stated
Source observation end: Not stated
Source bounds (west, south, east, north): Not stated
Licence identifier: Not stated

GDACS event envelopes and contextual maps are not observed inundation footprints. Geometry parts and index entries are not independent field observations.

Download screening decisions · Download all metadata and field sources

Catalogue details

Original source title: GDACS populationmap
Asset reference: acand_016bf5fb-8d68-5eef-8243-23484da267bd
Host / aggregator: GDACS
Relationship to record: Component of the source product.
Upstream source: GDACS
Upstream evidence: source attribution documented; independent verification not performed
Dataset family: GDACS FL1104124
Acquisition date: Not stated
Spatial resolution: Not stated
Access result: File request returned HTML on 6 September 2026
Provenance: Under review
Rights: Not stated — Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.
Redistribution: Not redistributed by this catalogue
Production method: Automated source-metadata screening. No independent human review. Unchecked file URLs have an inventory timestamp only.

Source metadata

Component of the source product. {}

Evidence: source 1

GDACS cached flood map — Nepal flood FL1104124

Not statedPNG

Listed contributor

GDACS

Classification

Event Context Map

Not Stated

Follow-up needed · Metadata assessed 6 September 2026

File request returned HTML · Unverified · checked 6 September 2026

Expected a file but received HTML; establish an actual data response before use.

Screening findings and extracted metadata

Automated metadata and technical review. Resource eligibility and manuscript inclusion are separate decisions.

Inspection basis: Access Not Verified
Temporal assessment: Not Resolved From Asset Dates
Provider: GDACSSource Recorded · source · catalogue contributor
Dataset family: GDACS FL1104124Source Recorded · source · catalogue dataset family
Linked file format: PNGSource Recorded · source · catalogue file_format
Rights statement: Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.Source Recorded · source · catalogue rights_note
Source identifier: 7rest.pngDerived From Metadata · source · Source URL component identifier; not a DOI or independent scene identity
File coordinate system: Not stated
File pixel spacing: Not stated
Source observation start: Not stated
Source observation end: Not stated
Source bounds (west, south, east, north): Not stated
Licence identifier: Not stated

GDACS event envelopes and contextual maps are not observed inundation footprints. Geometry parts and index entries are not independent field observations.

Download screening decisions · Download all metadata and field sources

Catalogue details

Original source title: GDACS floodmap_cached
Asset reference: acand_a7e0736f-49af-5737-9f68-44573ef4eddd
Host / aggregator: GDACS
Relationship to record: Component of the source product.
Upstream source: GDACS
Upstream evidence: source attribution documented; independent verification not performed
Dataset family: GDACS FL1104124
Acquisition date: Not stated
Spatial resolution: Not stated
Access result: File request returned HTML on 6 September 2026
Provenance: Under review
Rights: Not stated — Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.
Redistribution: Not redistributed by this catalogue
Production method: Automated source-metadata screening. No independent human review. Unchecked file URLs have an inventory timestamp only.

Source metadata

Component of the source product. {}

Evidence: source 1

GDACS cached overview map — Nepal flood FL1104124

Not statedPNG

Open source asset

Listed contributor

GDACS

Classification

Event Context Map

Not Stated

Data candidate · Metadata assessed 6 September 2026

Reachable without registration · Direct Open · checked 6 September 2026

Screening findings and extracted metadata

Automated metadata and technical review. Resource eligibility and manuscript inclusion are separate decisions.

Inspection basis: Metadata Reviewed Body Not Inspected
Temporal assessment: Not Resolved From Asset Dates
Provider: GDACSSource Recorded · source · catalogue contributor
Dataset family: GDACS FL1104124Source Recorded · source · catalogue dataset family
Linked file format: PNGSource Recorded · source · catalogue file_format
Rights statement: Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.Source Recorded · source · catalogue rights_note
HTTP response size: 37600Observed Http · source · HTTP HEAD Content-Length or Content-Range total; compressed transfer length may differ
Source identifier: flood_overview_1104124.pngDerived From Metadata · source · Source URL component identifier; not a DOI or independent scene identity
File coordinate system: Not stated
File pixel spacing: Not stated
Source observation start: Not stated
Source observation end: Not stated
Source bounds (west, south, east, north): Not stated
Licence identifier: Not stated

GDACS event envelopes and contextual maps are not observed inundation footprints. Geometry parts and index entries are not independent field observations.

Download screening decisions · Download all metadata and field sources

Catalogue details

Original source title: GDACS overviewmap_cached
Asset reference: acand_c09ad3f4-978a-5036-a318-ba0ab1c19266
Host / aggregator: GDACS
Relationship to record: Component of the source product.
Upstream source: GDACS
Upstream evidence: source attribution documented; independent verification not performed
Dataset family: GDACS FL1104124
Acquisition date: Not stated
Spatial resolution: Not stated
Access result: Reachable without registration on 6 September 2026
Provenance: Under review
Rights: Not stated — Follow GDACS/JRC source notices and separate upstream GFM terms; public geometry access is not evidence of independent validation.
Redistribution: Not redistributed by this catalogue
Production method: Automated source-metadata screening. No independent human review. Unchecked file URLs have an inventory timestamp only.

Source metadata

Component of the source product. {}

Evidence: source 1