California Maps Online

This is a list of maps of California that are available on the Web. For paper maps and atlases in the library, please ask for assistance at the reference desk 1st floor, Library Addition or contact the Map Librarian.

See also: Map Collection | Map Basics | Online Maps

Contents:
General
Earthquakes / Geology
Elections
Energy
History
Parks, Forests, and Wilderness Areas
Transportation
Water / Weather
Other

General

Digital Atlas of California Professor William Bowen
A collection of maps showing the population, citizenship, income, poverty, and education for California. Also includes these maps for smaller areas such as Metropolitan San Diego County.

California Maps Perry-Castañeda Library Map Collection
Includes online maps of the state, cities, and national parks, monuments, and historic sites.

California and Nevada Road Atlas Dr. William Bowen
Provides a road map with links to some topgraphic maps in GIF format.

California Interactive Maps California Division of Tourism
Includes PDF versions of California road maps.

California State Map California Division of Tourism
Map showing roads, missions, parks, and attractions in California.

Earthquakes / Geology

Geologic Map of California About.com
Scanned images of U.S. Geological Survey Map I-512, published in 1966.

TriNet SHAKE MAPs ShakeMap Working Group
Presents a list of significant earthquake events in California with links to maps showing the epicenter, instrumental intensity, peak ground acceleration, and peak ground velocity. The maps and data can also be downloaded.

Recent Earthquakes in California USGS
Displays an index map of earthquakes in the last hour, last day, and last week.

Seismic Shaking Hazard Maps of California California Division of Mines & Geology
Maps of the shaking hazard at peak ground acceleration, spectral acceleration for 0.3-second period, and spectral acceleration for 1.0-second period.

Up-to-the-minute Southern California Earthquake Map UCSB Institute for Crustal Studies
A maps of the last approximately 500 earthquakes detected by seismographs in southern California.

Elections

District Maps California Voter Foundation
Includes Congressional, State Assembly, and State Senate district maps.

California State Senate Districts California Senate
A map of the California State Senate Districts.

Energy

California Energy Maps California Energy Commission
Includes Electric Utility Service Areas, Power Plants, Natural Gas Pipelines, etc.

California Energy Market Map DOE Energy Information Administration
Maps both electricity plants (100 MW and greater) and energy processing and transmission.

The California ISO Control Area California ISO
Also includes maps of the PG&E, SCE, and SDG&E service territories.

Wind Energy Resource Atlas of the United States Department of Energy
Includes maps of Annual Average Wind Power for Northern California and Southern California.