Geonomics

Interactive maps for spatial analysis

A working collection of geospatial visualizations — election results and demographics, live seismic activity, and a loader for your own GeoJSON layers. Each one runs entirely in the browser.

Election & Demographics Map

2020 state-level results with toggleable overlays: North Carolina home values classified by Jenks natural breaks, block-group ethnicity pies, city points, and aerial imagery. Exports to PDF.

Mapbox GL JSGeoJSONPDF export
Open map

Live Earthquake Globe

Seismic events streamed from the USGS public feed and plotted on a rotating 3D globe, sized and coloured by magnitude. Updates as new events are reported.

USGS feed3D globeLive data
Open globe

California Geology & Faults

Statewide bedrock geology in 68 mapped units, overlaid with 3,205 Quaternary faults coloured by how recently each moved. Toggle layers, adjust fill opacity, and click anywhere to identify the unit and fault.

Mapbox GL JS68 geologic unitsReprojected
Open map

GeoJSON Layer Loader

Drop your own GeoJSON files onto a base map and style them on the fly. Includes drawing and annotation tools, and exports your markup back out as GeoJSON.

Mapbox GL JSBring your own dataAnnotation
Open loader