The California Geological Survey's interactive map allows users to identify the location and classification of faults throughout California. Information available includes the age of the most recent activity on each fault segment, surface rupture areas, and whether or not the faults are visible at the surface.

Click here to use the California fault activity map.

Source: California Geological Survey

This interactive map from the U.S. Geological Survey allows users to explore the surface geology of Texas and bordering regions of New Mexico, Oklahoma, and Arkansas. Users can navigate the map with the click-and-point tool, or by using the location search tool to find common geographic place names, latitude/longitude coordinates, and other areas of interest.

Click here to use the Texas surface geology map 

Source: USGS Texas Water Science Center

National Drought Mitigation Center (NDMC)

The U.S. Geological Survey's (USGS) map of groundwater depletion shows the cumulative depletion of groundwater for 40 aquifer systems across the U.S (excluding Alaska). The map depicts depletion over the time period of 1900 to 2008 and is measured in cubic kilometers.

Click here to go to the USGS groundwater depletion webpage 

Source: USGS - Water

The National Oceanic and Atmospheric Administration's natural hazards viewer shows a variety of recent and historic natural hazards around the world. The interactive map provides data for a range of natural hazards, including tsunamis, volcanic eruptions, and earthquakes. Users can select individual hazards to learn more about the date of occurrence, location, severity, economic impact, and social impact.

Click here to use the NOAA natural hazards viewer

The National Ocean and Atmospheric Administration's tsunami travel times map displays the estimated pre-computed tsunami travel times to select coastal locations from any point in the ocean. The tsunami travel times displayed are in hours and were calculated using TTT software. It is important to note that the travel times shown on the map are estimates and should be used general information only. In the event of an actual tsunami, please visit tsunami.gov for real-time tsunami information.

The National Oceanic and Atmospheric Administration's thermal springs map displays the location and temperature of thermal springs throughout the U.S. The hot springs shown on the map are color-coded based on recorded temperature (red = boiling, orange = hot, yellow = warm, black = information not available). Users can click on individual hot spring locations to find the hot spring name, location, and most recently recorded temperature.

Click here to use the thermal springs viewer.

The National Oceanic and Atmospheric Administration's National Weather Service Watch, Warning, and Advisory Display map shows up-to-date weather warnings and advisories for the continental U.S. The map covers a wide range of weather hazards including tornadoes, thunderstorms, hurricanes, tropical storms, flash and coastal floods, blizzards, winter storms, snow, freezing rain and ice storms, and high winds.

Users can click on individual parts of the map for more specific information down to the county level.

The Arizona Oil & Gas Conservation Commission's oil and gas well interactive map provides the location, operator, geologic formation, and depth of oil and gas wells across the state of Arizona.

By clicking on each well you can access detailed reports of the well's history and logs.

Click here to access the Arizona oil and gas well interactive map

Source: Arizona Oil & Gas Conservation Commission